Home / 186,120.59-279,044.76-59,688.87

Finding the Fourth Proportional to 186,120.59, 279,044.76 and 59,688.87

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Solution

The fourth proportional to 186,120.59, 279,044.76 and 59,688.87 is: 89,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,120.59 : 279,044.76 = 59,688.87 : x
  2. Step 2: Convert to fraction form
    186,120.59/279,044.76 = 59,688.87/x
  3. Step 3: Cross multiply
    186,120.59x = 279,044.76 × 59,688.87
  4. Step 4: Simplify right side
    186,120.59x = 16,655,865,581.24
  5. Step 5: Solve for x
    x = 16,655,865,581.24/186,120.59
  6. Step 6: Final answer
    x = 89,489.65

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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.