Home / 159,927.12-220,698.40-88,306.48

Finding the Fourth Proportional to 159,927.12, 220,698.40 and 88,306.48

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Solution

The fourth proportional to 159,927.12, 220,698.40 and 88,306.48 is: 121,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,927.12 : 220,698.40 = 88,306.48 : x
  2. Step 2: Convert to fraction form
    159,927.12/220,698.40 = 88,306.48/x
  3. Step 3: Cross multiply
    159,927.12x = 220,698.40 × 88,306.48
  4. Step 4: Simplify right side
    159,927.12x = 19,489,098,845.63
  5. Step 5: Solve for x
    x = 19,489,098,845.63/159,927.12
  6. Step 6: Final answer
    x = 121,862.38

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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.