Home / 189,597.28-284,454.60-113,780.48

Finding the Fourth Proportional to 189,597.28, 284,454.60 and 113,780.48

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Solution

The fourth proportional to 189,597.28, 284,454.60 and 113,780.48 is: 170,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,597.28 : 284,454.60 = 113,780.48 : x
  2. Step 2: Convert to fraction form
    189,597.28/284,454.60 = 113,780.48/x
  3. Step 3: Cross multiply
    189,597.28x = 284,454.60 × 113,780.48
  4. Step 4: Simplify right side
    189,597.28x = 32,365,380,926.21
  5. Step 5: Solve for x
    x = 32,365,380,926.21/189,597.28
  6. Step 6: Final answer
    x = 170,705.93

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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.