Home / 132,136.42-182,499.76-87,016.18

Finding the Fourth Proportional to 132,136.42, 182,499.76 and 87,016.18

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Solution

The fourth proportional to 132,136.42, 182,499.76 and 87,016.18 is: 120,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,136.42 : 182,499.76 = 87,016.18 : x
  2. Step 2: Convert to fraction form
    132,136.42/182,499.76 = 87,016.18/x
  3. Step 3: Cross multiply
    132,136.42x = 182,499.76 × 87,016.18
  4. Step 4: Simplify right side
    132,136.42x = 15,880,431,966.12
  5. Step 5: Solve for x
    x = 15,880,431,966.12/132,136.42
  6. Step 6: Final answer
    x = 120,182.10

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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.