Home / 141,708.60-212,559.30-57,446.19

Finding the Fourth Proportional to 141,708.60, 212,559.30 and 57,446.19

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Solution

The fourth proportional to 141,708.60, 212,559.30 and 57,446.19 is: 86,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.60 : 212,559.30 = 57,446.19 : x
  2. Step 2: Convert to fraction form
    141,708.60/212,559.30 = 57,446.19/x
  3. Step 3: Cross multiply
    141,708.60x = 212,559.30 × 57,446.19
  4. Step 4: Simplify right side
    141,708.60x = 12,210,721,934.07
  5. Step 5: Solve for x
    x = 12,210,721,934.07/141,708.60
  6. Step 6: Final answer
    x = 86,167.83

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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.