Home / 132,130.55-182,340.65-71,701.20

Finding the Fourth Proportional to 132,130.55, 182,340.65 and 71,701.20

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Solution

The fourth proportional to 132,130.55, 182,340.65 and 71,701.20 is: 98,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130.55 : 182,340.65 = 71,701.20 : x
  2. Step 2: Convert to fraction form
    132,130.55/182,340.65 = 71,701.20/x
  3. Step 3: Cross multiply
    132,130.55x = 182,340.65 × 71,701.20
  4. Step 4: Simplify right side
    132,130.55x = 13,074,043,869.63
  5. Step 5: Solve for x
    x = 13,074,043,869.63/132,130.55
  6. Step 6: Final answer
    x = 98,947.93

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