Home / 132,581.88-182,960.04-72,152.70

Finding the Fourth Proportional to 132,581.88, 182,960.04 and 72,152.70

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Solution

The fourth proportional to 132,581.88, 182,960.04 and 72,152.70 is: 99,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,581.88 : 182,960.04 = 72,152.70 : x
  2. Step 2: Convert to fraction form
    132,581.88/182,960.04 = 72,152.70/x
  3. Step 3: Cross multiply
    132,581.88x = 182,960.04 × 72,152.70
  4. Step 4: Simplify right side
    132,581.88x = 13,201,060,878.11
  5. Step 5: Solve for x
    x = 13,201,060,878.11/132,581.88
  6. Step 6: Final answer
    x = 99,569.12

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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.