Home / 138,547.35-207,790.86-37,343.04

Finding the Fourth Proportional to 138,547.35, 207,790.86 and 37,343.04

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Solution

The fourth proportional to 138,547.35, 207,790.86 and 37,343.04 is: 56,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,547.35 : 207,790.86 = 37,343.04 : x
  2. Step 2: Convert to fraction form
    138,547.35/207,790.86 = 37,343.04/x
  3. Step 3: Cross multiply
    138,547.35x = 207,790.86 × 37,343.04
  4. Step 4: Simplify right side
    138,547.35x = 7,759,542,396.61
  5. Step 5: Solve for x
    x = 7,759,542,396.61/138,547.35
  6. Step 6: Final answer
    x = 56,006.43

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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.