Home / 288,966.59-398,854.03-168,131.22

Finding the Fourth Proportional to 288,966.59, 398,854.03 and 168,131.22

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Solution

The fourth proportional to 288,966.59, 398,854.03 and 168,131.22 is: 232,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,966.59 : 398,854.03 = 168,131.22 : x
  2. Step 2: Convert to fraction form
    288,966.59/398,854.03 = 168,131.22/x
  3. Step 3: Cross multiply
    288,966.59x = 398,854.03 × 168,131.22
  4. Step 4: Simplify right side
    288,966.59x = 67,059,812,671.55
  5. Step 5: Solve for x
    x = 67,059,812,671.55/288,966.59
  6. Step 6: Final answer
    x = 232,067.71

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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.