Home / 141,955.28-212,932.60-57,761.16

Finding the Fourth Proportional to 141,955.28, 212,932.60 and 57,761.16

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Solution

The fourth proportional to 141,955.28, 212,932.60 and 57,761.16 is: 86,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,955.28 : 212,932.60 = 57,761.16 : x
  2. Step 2: Convert to fraction form
    141,955.28/212,932.60 = 57,761.16/x
  3. Step 3: Cross multiply
    141,955.28x = 212,932.60 × 57,761.16
  4. Step 4: Simplify right side
    141,955.28x = 12,299,233,977.82
  5. Step 5: Solve for x
    x = 12,299,233,977.82/141,955.28
  6. Step 6: Final answer
    x = 86,641.61

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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.