Home / 191,645.10-287,523.14-79,304.58

Finding the Fourth Proportional to 191,645.10, 287,523.14 and 79,304.58

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Solution

The fourth proportional to 191,645.10, 287,523.14 and 79,304.58 is: 118,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,645.10 : 287,523.14 = 79,304.58 : x
  2. Step 2: Convert to fraction form
    191,645.10/287,523.14 = 79,304.58/x
  3. Step 3: Cross multiply
    191,645.10x = 287,523.14 × 79,304.58
  4. Step 4: Simplify right side
    191,645.10x = 22,801,901,461.46
  5. Step 5: Solve for x
    x = 22,801,901,461.46/191,645.10
  6. Step 6: Final answer
    x = 118,979.83

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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.