Home / 133,344.77-184,000.67-78,898.61

Finding the Fourth Proportional to 133,344.77, 184,000.67 and 78,898.61

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Solution

The fourth proportional to 133,344.77, 184,000.67 and 78,898.61 is: 108,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,344.77 : 184,000.67 = 78,898.61 : x
  2. Step 2: Convert to fraction form
    133,344.77/184,000.67 = 78,898.61/x
  3. Step 3: Cross multiply
    133,344.77x = 184,000.67 × 78,898.61
  4. Step 4: Simplify right side
    133,344.77x = 14,517,397,759.32
  5. Step 5: Solve for x
    x = 14,517,397,759.32/133,344.77
  6. Step 6: Final answer
    x = 108,871.14

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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.