Home / 261,938.16-392,685.12-93,407.76

Finding the Fourth Proportional to 261,938.16, 392,685.12 and 93,407.76

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Solution

The fourth proportional to 261,938.16, 392,685.12 and 93,407.76 is: 140,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,938.16 : 392,685.12 = 93,407.76 : x
  2. Step 2: Convert to fraction form
    261,938.16/392,685.12 = 93,407.76/x
  3. Step 3: Cross multiply
    261,938.16x = 392,685.12 × 93,407.76
  4. Step 4: Simplify right side
    261,938.16x = 36,679,837,444.53
  5. Step 5: Solve for x
    x = 36,679,837,444.53/261,938.16
  6. Step 6: Final answer
    x = 140,032.43

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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.