Home / 132,210.17-182,449.02-71,779.61

Finding the Fourth Proportional to 132,210.17, 182,449.02 and 71,779.61

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Solution

The fourth proportional to 132,210.17, 182,449.02 and 71,779.61 is: 99,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210.17 : 182,449.02 = 71,779.61 : x
  2. Step 2: Convert to fraction form
    132,210.17/182,449.02 = 71,779.61/x
  3. Step 3: Cross multiply
    132,210.17x = 182,449.02 × 71,779.61
  4. Step 4: Simplify right side
    132,210.17x = 13,096,119,500.48
  5. Step 5: Solve for x
    x = 13,096,119,500.48/132,210.17
  6. Step 6: Final answer
    x = 99,055.31

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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.