Home / 225,931.68-338,639.76-105,863.04

Finding the Fourth Proportional to 225,931.68, 338,639.76 and 105,863.04

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Solution

The fourth proportional to 225,931.68, 338,639.76 and 105,863.04 is: 158,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,931.68 : 338,639.76 = 105,863.04 : x
  2. Step 2: Convert to fraction form
    225,931.68/338,639.76 = 105,863.04/x
  3. Step 3: Cross multiply
    225,931.68x = 338,639.76 × 105,863.04
  4. Step 4: Simplify right side
    225,931.68x = 35,849,434,458.47
  5. Step 5: Solve for x
    x = 35,849,434,458.47/225,931.68
  6. Step 6: Final answer
    x = 158,673.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.