Home / 186,385.30-279,587.17-53,285.16

Finding the Fourth Proportional to 186,385.30, 279,587.17 and 53,285.16

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Solution

The fourth proportional to 186,385.30, 279,587.17 and 53,285.16 is: 79,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,385.30 : 279,587.17 = 53,285.16 : x
  2. Step 2: Convert to fraction form
    186,385.30/279,587.17 = 53,285.16/x
  3. Step 3: Cross multiply
    186,385.30x = 279,587.17 × 53,285.16
  4. Step 4: Simplify right side
    186,385.30x = 14,897,847,087.40
  5. Step 5: Solve for x
    x = 14,897,847,087.40/186,385.30
  6. Step 6: Final answer
    x = 79,930.38

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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.