Home / 120,595.14-180,901.35-31,847.76

Finding the Fourth Proportional to 120,595.14, 180,901.35 and 31,847.76

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Solution

The fourth proportional to 120,595.14, 180,901.35 and 31,847.76 is: 47,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,595.14 : 180,901.35 = 31,847.76 : x
  2. Step 2: Convert to fraction form
    120,595.14/180,901.35 = 31,847.76/x
  3. Step 3: Cross multiply
    120,595.14x = 180,901.35 × 31,847.76
  4. Step 4: Simplify right side
    120,595.14x = 5,761,302,778.48
  5. Step 5: Solve for x
    x = 5,761,302,778.48/120,595.14
  6. Step 6: Final answer
    x = 47,773.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.