Home / 137,547.44-206,380.55-74,412.04

Finding the Fourth Proportional to 137,547.44, 206,380.55 and 74,412.04

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Solution

The fourth proportional to 137,547.44, 206,380.55 and 74,412.04 is: 111,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,547.44 : 206,380.55 = 74,412.04 : x
  2. Step 2: Convert to fraction form
    137,547.44/206,380.55 = 74,412.04/x
  3. Step 3: Cross multiply
    137,547.44x = 206,380.55 × 74,412.04
  4. Step 4: Simplify right side
    137,547.44x = 15,357,197,411.90
  5. Step 5: Solve for x
    x = 15,357,197,411.90/137,547.44
  6. Step 6: Final answer
    x = 111,650.19

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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.