Home / 132,159.12-182,376.86-74,797.41

Finding the Fourth Proportional to 132,159.12, 182,376.86 and 74,797.41

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Solution

The fourth proportional to 132,159.12, 182,376.86 and 74,797.41 is: 103,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,159.12 : 182,376.86 = 74,797.41 : x
  2. Step 2: Convert to fraction form
    132,159.12/182,376.86 = 74,797.41/x
  3. Step 3: Cross multiply
    132,159.12x = 182,376.86 × 74,797.41
  4. Step 4: Simplify right side
    132,159.12x = 13,641,316,771.93
  5. Step 5: Solve for x
    x = 13,641,316,771.93/132,159.12
  6. Step 6: Final answer
    x = 103,218.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.