Home / 159,875.07-220,629.38-88,255.14

Finding the Fourth Proportional to 159,875.07, 220,629.38 and 88,255.14

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Solution

The fourth proportional to 159,875.07, 220,629.38 and 88,255.14 is: 121,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,875.07 : 220,629.38 = 88,255.14 : x
  2. Step 2: Convert to fraction form
    159,875.07/220,629.38 = 88,255.14/x
  3. Step 3: Cross multiply
    159,875.07x = 220,629.38 × 88,255.14
  4. Step 4: Simplify right side
    159,875.07x = 19,471,676,378.74
  5. Step 5: Solve for x
    x = 19,471,676,378.74/159,875.07
  6. Step 6: Final answer
    x = 121,793.07

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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.