Home / 111,780.32-167,687.16-36,908.38

Finding the Fourth Proportional to 111,780.32, 167,687.16 and 36,908.38

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Solution

The fourth proportional to 111,780.32, 167,687.16 and 36,908.38 is: 55,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,780.32 : 167,687.16 = 36,908.38 : x
  2. Step 2: Convert to fraction form
    111,780.32/167,687.16 = 36,908.38/x
  3. Step 3: Cross multiply
    111,780.32x = 167,687.16 × 36,908.38
  4. Step 4: Simplify right side
    111,780.32x = 6,189,061,422.40
  5. Step 5: Solve for x
    x = 6,189,061,422.40/111,780.32
  6. Step 6: Final answer
    x = 55,368.08

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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.