Home / 133,234.17-183,656.03-90,719.61

Finding the Fourth Proportional to 133,234.17, 183,656.03 and 90,719.61

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Solution

The fourth proportional to 133,234.17, 183,656.03 and 90,719.61 is: 125,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,234.17 : 183,656.03 = 90,719.61 : x
  2. Step 2: Convert to fraction form
    133,234.17/183,656.03 = 90,719.61/x
  3. Step 3: Cross multiply
    133,234.17x = 183,656.03 × 90,719.61
  4. Step 4: Simplify right side
    133,234.17x = 16,661,202,962.15
  5. Step 5: Solve for x
    x = 16,661,202,962.15/133,234.17
  6. Step 6: Final answer
    x = 125,052.03

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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.