Home / 161,282.52-222,577.46-89,663.73

Finding the Fourth Proportional to 161,282.52, 222,577.46 and 89,663.73

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Solution

The fourth proportional to 161,282.52, 222,577.46 and 89,663.73 is: 123,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,282.52 : 222,577.46 = 89,663.73 : x
  2. Step 2: Convert to fraction form
    161,282.52/222,577.46 = 89,663.73/x
  3. Step 3: Cross multiply
    161,282.52x = 222,577.46 × 89,663.73
  4. Step 4: Simplify right side
    161,282.52x = 19,957,124,829.21
  5. Step 5: Solve for x
    x = 19,957,124,829.21/161,282.52
  6. Step 6: Final answer
    x = 123,740.16

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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.