Home / 113,200.13-169,790.40-38,318.68

Finding the Fourth Proportional to 113,200.13, 169,790.40 and 38,318.68

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Solution

The fourth proportional to 113,200.13, 169,790.40 and 38,318.68 is: 57,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.13 : 169,790.40 = 38,318.68 : x
  2. Step 2: Convert to fraction form
    113,200.13/169,790.40 = 38,318.68/x
  3. Step 3: Cross multiply
    113,200.13x = 169,790.40 × 38,318.68
  4. Step 4: Simplify right side
    113,200.13x = 6,506,143,155.72
  5. Step 5: Solve for x
    x = 6,506,143,155.72/113,200.13
  6. Step 6: Final answer
    x = 57,474.70

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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.