Home / 191,569.46-287,354.24-79,126.08

Finding the Fourth Proportional to 191,569.46, 287,354.24 and 79,126.08

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Solution

The fourth proportional to 191,569.46, 287,354.24 and 79,126.08 is: 118,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,569.46 : 287,354.24 = 79,126.08 : x
  2. Step 2: Convert to fraction form
    191,569.46/287,354.24 = 79,126.08/x
  3. Step 3: Cross multiply
    191,569.46x = 287,354.24 × 79,126.08
  4. Step 4: Simplify right side
    191,569.46x = 22,737,214,186.95
  5. Step 5: Solve for x
    x = 22,737,214,186.95/191,569.46
  6. Step 6: Final answer
    x = 118,689.14

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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.