Home / 132,345.88-182,638.47-71,916.52

Finding the Fourth Proportional to 132,345.88, 182,638.47 and 71,916.52

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Solution

The fourth proportional to 132,345.88, 182,638.47 and 71,916.52 is: 99,245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,345.88 : 182,638.47 = 71,916.52 : x
  2. Step 2: Convert to fraction form
    132,345.88/182,638.47 = 71,916.52/x
  3. Step 3: Cross multiply
    132,345.88x = 182,638.47 × 71,916.52
  4. Step 4: Simplify right side
    132,345.88x = 13,134,723,180.52
  5. Step 5: Solve for x
    x = 13,134,723,180.52/132,345.88
  6. Step 6: Final answer
    x = 99,245.43

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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.