Home / 133,837.28-184,695.18-77,248.64

Finding the Fourth Proportional to 133,837.28, 184,695.18 and 77,248.64

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Solution

The fourth proportional to 133,837.28, 184,695.18 and 77,248.64 is: 106,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,837.28 : 184,695.18 = 77,248.64 : x
  2. Step 2: Convert to fraction form
    133,837.28/184,695.18 = 77,248.64/x
  3. Step 3: Cross multiply
    133,837.28x = 184,695.18 × 77,248.64
  4. Step 4: Simplify right side
    133,837.28x = 14,267,451,469.56
  5. Step 5: Solve for x
    x = 14,267,451,469.56/133,837.28
  6. Step 6: Final answer
    x = 106,602.97

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1.5x scale

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.