Home / 132,436.13-182,760.95-72,006.75

Finding the Fourth Proportional to 132,436.13, 182,760.95 and 72,006.75

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Solution

The fourth proportional to 132,436.13, 182,760.95 and 72,006.75 is: 99,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,436.13 : 182,760.95 = 72,006.75 : x
  2. Step 2: Convert to fraction form
    132,436.13/182,760.95 = 72,006.75/x
  3. Step 3: Cross multiply
    132,436.13x = 182,760.95 × 72,006.75
  4. Step 4: Simplify right side
    132,436.13x = 13,160,021,676.38
  5. Step 5: Solve for x
    x = 13,160,021,676.38/132,436.13
  6. Step 6: Final answer
    x = 99,368.82

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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.