Home / 159,774.96-220,496.12-88,159.62

Finding the Fourth Proportional to 159,774.96, 220,496.12 and 88,159.62

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Solution

The fourth proportional to 159,774.96, 220,496.12 and 88,159.62 is: 121,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,774.96 : 220,496.12 = 88,159.62 : x
  2. Step 2: Convert to fraction form
    159,774.96/220,496.12 = 88,159.62/x
  3. Step 3: Cross multiply
    159,774.96x = 220,496.12 × 88,159.62
  4. Step 4: Simplify right side
    159,774.96x = 19,438,854,150.67
  5. Step 5: Solve for x
    x = 19,438,854,150.67/159,774.96
  6. Step 6: Final answer
    x = 121,663.96

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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.