Home / 145,522.38-218,042.10-50,702.52

Finding the Fourth Proportional to 145,522.38, 218,042.10 and 50,702.52

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Solution

The fourth proportional to 145,522.38, 218,042.10 and 50,702.52 is: 75,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522.38 : 218,042.10 = 50,702.52 : x
  2. Step 2: Convert to fraction form
    145,522.38/218,042.10 = 50,702.52/x
  3. Step 3: Cross multiply
    145,522.38x = 218,042.10 × 50,702.52
  4. Step 4: Simplify right side
    145,522.38x = 11,055,283,936.09
  5. Step 5: Solve for x
    x = 11,055,283,936.09/145,522.38
  6. Step 6: Final answer
    x = 75,969.65

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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.