Home / 132,172.59-182,548.55-89,657.31

Finding the Fourth Proportional to 132,172.59, 182,548.55 and 89,657.31

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Solution

The fourth proportional to 132,172.59, 182,548.55 and 89,657.31 is: 123,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.59 : 182,548.55 = 89,657.31 : x
  2. Step 2: Convert to fraction form
    132,172.59/182,548.55 = 89,657.31/x
  3. Step 3: Cross multiply
    132,172.59x = 182,548.55 × 89,657.31
  4. Step 4: Simplify right side
    132,172.59x = 16,366,812,846.10
  5. Step 5: Solve for x
    x = 16,366,812,846.10/132,172.59
  6. Step 6: Final answer
    x = 123,829.10

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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.