Home / 132,595.28-182,907.72-100,713.68

Finding the Fourth Proportional to 132,595.28, 182,907.72 and 100,713.68

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Solution

The fourth proportional to 132,595.28, 182,907.72 and 100,713.68 is: 138,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,595.28 : 182,907.72 = 100,713.68 : x
  2. Step 2: Convert to fraction form
    132,595.28/182,907.72 = 100,713.68/x
  3. Step 3: Cross multiply
    132,595.28x = 182,907.72 × 100,713.68
  4. Step 4: Simplify right side
    132,595.28x = 18,421,309,581.61
  5. Step 5: Solve for x
    x = 18,421,309,581.61/132,595.28
  6. Step 6: Final answer
    x = 138,928.85

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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.