Home / 161,333.46-222,630.99-89,711.93

Finding the Fourth Proportional to 161,333.46, 222,630.99 and 89,711.93

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Solution

The fourth proportional to 161,333.46, 222,630.99 and 89,711.93 is: 123,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.46 : 222,630.99 = 89,711.93 : x
  2. Step 2: Convert to fraction form
    161,333.46/222,630.99 = 89,711.93/x
  3. Step 3: Cross multiply
    161,333.46x = 222,630.99 × 89,711.93
  4. Step 4: Simplify right side
    161,333.46x = 19,972,654,677.56
  5. Step 5: Solve for x
    x = 19,972,654,677.56/161,333.46
  6. Step 6: Final answer
    x = 123,797.35

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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.