Home / 173,838.80-260,758.20-74,111.60

Finding the Fourth Proportional to 173,838.80, 260,758.20 and 74,111.60

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Solution

The fourth proportional to 173,838.80, 260,758.20 and 74,111.60 is: 111,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,838.80 : 260,758.20 = 74,111.60 : x
  2. Step 2: Convert to fraction form
    173,838.80/260,758.20 = 74,111.60/x
  3. Step 3: Cross multiply
    173,838.80x = 260,758.20 × 74,111.60
  4. Step 4: Simplify right side
    173,838.80x = 19,325,207,415.12
  5. Step 5: Solve for x
    x = 19,325,207,415.12/173,838.80
  6. Step 6: Final answer
    x = 111,167.40

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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.