Home / 132,409.39-182,704.69-75,045.43

Finding the Fourth Proportional to 132,409.39, 182,704.69 and 75,045.43

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Solution

The fourth proportional to 132,409.39, 182,704.69 and 75,045.43 is: 103,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,409.39 : 182,704.69 = 75,045.43 : x
  2. Step 2: Convert to fraction form
    132,409.39/182,704.69 = 75,045.43/x
  3. Step 3: Cross multiply
    132,409.39x = 182,704.69 × 75,045.43
  4. Step 4: Simplify right side
    132,409.39x = 13,711,152,024.07
  5. Step 5: Solve for x
    x = 13,711,152,024.07/132,409.39
  6. Step 6: Final answer
    x = 103,551.21

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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.