Home / 113,191.32-169,670.16-38,286.84

Finding the Fourth Proportional to 113,191.32, 169,670.16 and 38,286.84

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Solution

The fourth proportional to 113,191.32, 169,670.16 and 38,286.84 is: 57,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.32 : 169,670.16 = 38,286.84 : x
  2. Step 2: Convert to fraction form
    113,191.32/169,670.16 = 38,286.84/x
  3. Step 3: Cross multiply
    113,191.32x = 169,670.16 × 38,286.84
  4. Step 4: Simplify right side
    113,191.32x = 6,496,134,268.69
  5. Step 5: Solve for x
    x = 6,496,134,268.69/113,191.32
  6. Step 6: Final answer
    x = 57,390.75

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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.