Home / 344,539.10-516,767.65-91,838.54

Finding the Fourth Proportional to 344,539.10, 516,767.65 and 91,838.54

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Solution

The fourth proportional to 344,539.10, 516,767.65 and 91,838.54 is: 137,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,539.10 : 516,767.65 = 91,838.54 : x
  2. Step 2: Convert to fraction form
    344,539.10/516,767.65 = 91,838.54/x
  3. Step 3: Cross multiply
    344,539.10x = 516,767.65 × 91,838.54
  4. Step 4: Simplify right side
    344,539.10x = 47,459,187,557.55
  5. Step 5: Solve for x
    x = 47,459,187,557.55/344,539.10
  6. Step 6: Final answer
    x = 137,746.88

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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.