Home / 122,532.20-183,798.30-121,657.40

Finding the Fourth Proportional to 122,532.20, 183,798.30 and 121,657.40

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Solution

The fourth proportional to 122,532.20, 183,798.30 and 121,657.40 is: 182,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532.20 : 183,798.30 = 121,657.40 : x
  2. Step 2: Convert to fraction form
    122,532.20/183,798.30 = 121,657.40/x
  3. Step 3: Cross multiply
    122,532.20x = 183,798.30 × 121,657.40
  4. Step 4: Simplify right side
    122,532.20x = 22,360,423,302.42
  5. Step 5: Solve for x
    x = 22,360,423,302.42/122,532.20
  6. Step 6: Final answer
    x = 182,486.10

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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.