Home / 132,581.25-182,962.17-72,965.25

Finding the Fourth Proportional to 132,581.25, 182,962.17 and 72,965.25

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Solution

The fourth proportional to 132,581.25, 182,962.17 and 72,965.25 is: 100,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,581.25 : 182,962.17 = 72,965.25 : x
  2. Step 2: Convert to fraction form
    132,581.25/182,962.17 = 72,965.25/x
  3. Step 3: Cross multiply
    132,581.25x = 182,962.17 × 72,965.25
  4. Step 4: Simplify right side
    132,581.25x = 13,349,880,474.59
  5. Step 5: Solve for x
    x = 13,349,880,474.59/132,581.25
  6. Step 6: Final answer
    x = 100,692.07

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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.