Home / 302,042.90-453,129.15-91,702.10

Finding the Fourth Proportional to 302,042.90, 453,129.15 and 91,702.10

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Solution

The fourth proportional to 302,042.90, 453,129.15 and 91,702.10 is: 137,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,042.90 : 453,129.15 = 91,702.10 : x
  2. Step 2: Convert to fraction form
    302,042.90/453,129.15 = 91,702.10/x
  3. Step 3: Cross multiply
    302,042.90x = 453,129.15 × 91,702.10
  4. Step 4: Simplify right side
    302,042.90x = 41,552,894,626.22
  5. Step 5: Solve for x
    x = 41,552,894,626.22/302,042.90
  6. Step 6: Final answer
    x = 137,572.82

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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.