Home / 159,639.28-220,303.74-88,022.14

Finding the Fourth Proportional to 159,639.28, 220,303.74 and 88,022.14

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Solution

The fourth proportional to 159,639.28, 220,303.74 and 88,022.14 is: 121,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,639.28 : 220,303.74 = 88,022.14 : x
  2. Step 2: Convert to fraction form
    159,639.28/220,303.74 = 88,022.14/x
  3. Step 3: Cross multiply
    159,639.28x = 220,303.74 × 88,022.14
  4. Step 4: Simplify right side
    159,639.28x = 19,391,606,644.80
  5. Step 5: Solve for x
    x = 19,391,606,644.80/159,639.28
  6. Step 6: Final answer
    x = 121,471.40

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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.