Home / 159,763.06-220,473.74-88,145.19

Finding the Fourth Proportional to 159,763.06, 220,473.74 and 88,145.19

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Solution

The fourth proportional to 159,763.06, 220,473.74 and 88,145.19 is: 121,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,763.06 : 220,473.74 = 88,145.19 : x
  2. Step 2: Convert to fraction form
    159,763.06/220,473.74 = 88,145.19/x
  3. Step 3: Cross multiply
    159,763.06x = 220,473.74 × 88,145.19
  4. Step 4: Simplify right side
    159,763.06x = 19,433,700,143.31
  5. Step 5: Solve for x
    x = 19,433,700,143.31/159,763.06
  6. Step 6: Final answer
    x = 121,640.76

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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.