Home / 141,590.31-212,378.53-52,836.90

Finding the Fourth Proportional to 141,590.31, 212,378.53 and 52,836.90

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Solution

The fourth proportional to 141,590.31, 212,378.53 and 52,836.90 is: 79,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,590.31 : 212,378.53 = 52,836.90 : x
  2. Step 2: Convert to fraction form
    141,590.31/212,378.53 = 52,836.90/x
  3. Step 3: Cross multiply
    141,590.31x = 212,378.53 × 52,836.90
  4. Step 4: Simplify right side
    141,590.31x = 11,221,423,151.76
  5. Step 5: Solve for x
    x = 11,221,423,151.76/141,590.31
  6. Step 6: Final answer
    x = 79,252.76

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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.