Home / 159,758.58-220,465.32-88,139.18

Finding the Fourth Proportional to 159,758.58, 220,465.32 and 88,139.18

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Solution

The fourth proportional to 159,758.58, 220,465.32 and 88,139.18 is: 121,631.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,758.58 : 220,465.32 = 88,139.18 : x
  2. Step 2: Convert to fraction form
    159,758.58/220,465.32 = 88,139.18/x
  3. Step 3: Cross multiply
    159,758.58x = 220,465.32 × 88,139.18
  4. Step 4: Simplify right side
    159,758.58x = 19,431,632,523.24
  5. Step 5: Solve for x
    x = 19,431,632,523.24/159,758.58
  6. Step 6: Final answer
    x = 121,631.23

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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.