Home / 122,875.42-184,337.72-38,656.76

Finding the Fourth Proportional to 122,875.42, 184,337.72 and 38,656.76

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Solution

The fourth proportional to 122,875.42, 184,337.72 and 38,656.76 is: 57,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,875.42 : 184,337.72 = 38,656.76 : x
  2. Step 2: Convert to fraction form
    122,875.42/184,337.72 = 38,656.76/x
  3. Step 3: Cross multiply
    122,875.42x = 184,337.72 × 38,656.76
  4. Step 4: Simplify right side
    122,875.42x = 7,125,898,807.70
  5. Step 5: Solve for x
    x = 7,125,898,807.70/122,875.42
  6. Step 6: Final answer
    x = 57,992.88

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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.