Home / 173,838,307.20-260,757,460.80-171,287,390.40

Finding the Fourth Proportional to 173,838,307.20, 260,757,460.80 and 171,287,390.40

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Solution

The fourth proportional to 173,838,307.20, 260,757,460.80 and 171,287,390.40 is: 256,931,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,838,307.20 : 260,757,460.80 = 171,287,390.40 : x
  2. Step 2: Convert to fraction form
    173,838,307.20/260,757,460.80 = 171,287,390.40/x
  3. Step 3: Cross multiply
    173,838,307.20x = 260,757,460.80 × 171,287,390.40
  4. Step 4: Simplify right side
    173,838,307.20x = 44,664,464,987,762,296
  5. Step 5: Solve for x
    x = 44,664,464,987,762,296/173,838,307.20
  6. Step 6: Final answer
    x = 256,931,085.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.