Home / 133,663.46-184,432.13-76,276.58

Finding the Fourth Proportional to 133,663.46, 184,432.13 and 76,276.58

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Solution

The fourth proportional to 133,663.46, 184,432.13 and 76,276.58 is: 105,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,663.46 : 184,432.13 = 76,276.58 : x
  2. Step 2: Convert to fraction form
    133,663.46/184,432.13 = 76,276.58/x
  3. Step 3: Cross multiply
    133,663.46x = 184,432.13 × 76,276.58
  4. Step 4: Simplify right side
    133,663.46x = 14,067,850,814.97
  5. Step 5: Solve for x
    x = 14,067,850,814.97/133,663.46
  6. Step 6: Final answer
    x = 105,248.30

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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.