Home / 161,179.75-222,423.66-89,557.93

Finding the Fourth Proportional to 161,179.75, 222,423.66 and 89,557.93

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Solution

The fourth proportional to 161,179.75, 222,423.66 and 89,557.93 is: 123,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179.75 : 222,423.66 = 89,557.93 : x
  2. Step 2: Convert to fraction form
    161,179.75/222,423.66 = 89,557.93/x
  3. Step 3: Cross multiply
    161,179.75x = 222,423.66 × 89,557.93
  4. Step 4: Simplify right side
    161,179.75x = 19,919,802,572.62
  5. Step 5: Solve for x
    x = 19,919,802,572.62/161,179.75
  6. Step 6: Final answer
    x = 123,587.50

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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.