Home / 391,127.51-586,938.07-166,487.59

Finding the Fourth Proportional to 391,127.51, 586,938.07 and 166,487.59

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Solution

The fourth proportional to 391,127.51, 586,938.07 and 166,487.59 is: 249,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,127.51 : 586,938.07 = 166,487.59 : x
  2. Step 2: Convert to fraction form
    391,127.51/586,938.07 = 166,487.59/x
  3. Step 3: Cross multiply
    391,127.51x = 586,938.07 × 166,487.59
  4. Step 4: Simplify right side
    391,127.51x = 97,717,904,753.55
  5. Step 5: Solve for x
    x = 97,717,904,753.55/391,127.51
  6. Step 6: Final answer
    x = 249,836.44

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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.