Home / 189,337.89-261,250.60-112,864.11

Finding the Fourth Proportional to 189,337.89, 261,250.60 and 112,864.11

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Solution

The fourth proportional to 189,337.89, 261,250.60 and 112,864.11 is: 155,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,337.89 : 261,250.60 = 112,864.11 : x
  2. Step 2: Convert to fraction form
    189,337.89/261,250.60 = 112,864.11/x
  3. Step 3: Cross multiply
    189,337.89x = 261,250.60 × 112,864.11
  4. Step 4: Simplify right side
    189,337.89x = 29,485,817,610.04
  5. Step 5: Solve for x
    x = 29,485,817,610.04/189,337.89
  6. Step 6: Final answer
    x = 155,731.20

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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.