Home / 132,409.89-182,705.38-75,045.93

Finding the Fourth Proportional to 132,409.89, 182,705.38 and 75,045.93

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Solution

The fourth proportional to 132,409.89, 182,705.38 and 75,045.93 is: 103,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,409.89 : 182,705.38 = 75,045.93 : x
  2. Step 2: Convert to fraction form
    132,409.89/182,705.38 = 75,045.93/x
  3. Step 3: Cross multiply
    132,409.89x = 182,705.38 × 75,045.93
  4. Step 4: Simplify right side
    132,409.89x = 13,711,295,158.10
  5. Step 5: Solve for x
    x = 13,711,295,158.10/132,409.89
  6. Step 6: Final answer
    x = 103,551.90

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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.