Home / 141,731.20-212,619.72-41,901.40

Finding the Fourth Proportional to 141,731.20, 212,619.72 and 41,901.40

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Solution

The fourth proportional to 141,731.20, 212,619.72 and 41,901.40 is: 62,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,731.20 : 212,619.72 = 41,901.40 : x
  2. Step 2: Convert to fraction form
    141,731.20/212,619.72 = 41,901.40/x
  3. Step 3: Cross multiply
    141,731.20x = 212,619.72 × 41,901.40
  4. Step 4: Simplify right side
    141,731.20x = 8,909,063,935.61
  5. Step 5: Solve for x
    x = 8,909,063,935.61/141,731.20
  6. Step 6: Final answer
    x = 62,858.88

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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.