Home / 132,132.78-182,343.36-75,545.34

Finding the Fourth Proportional to 132,132.78, 182,343.36 and 75,545.34

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Solution

The fourth proportional to 132,132.78, 182,343.36 and 75,545.34 is: 104,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,132.78 : 182,343.36 = 75,545.34 : x
  2. Step 2: Convert to fraction form
    132,132.78/182,343.36 = 75,545.34/x
  3. Step 3: Cross multiply
    132,132.78x = 182,343.36 × 75,545.34
  4. Step 4: Simplify right side
    132,132.78x = 13,775,191,127.94
  5. Step 5: Solve for x
    x = 13,775,191,127.94/132,132.78
  6. Step 6: Final answer
    x = 104,252.64

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1.5x scale

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.