Home / 216,517.38-298,792.15-124,654.65

Finding the Fourth Proportional to 216,517.38, 298,792.15 and 124,654.65

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Solution

The fourth proportional to 216,517.38, 298,792.15 and 124,654.65 is: 172,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,517.38 : 298,792.15 = 124,654.65 : x
  2. Step 2: Convert to fraction form
    216,517.38/298,792.15 = 124,654.65/x
  3. Step 3: Cross multiply
    216,517.38x = 298,792.15 × 124,654.65
  4. Step 4: Simplify right side
    216,517.38x = 37,245,830,881.00
  5. Step 5: Solve for x
    x = 37,245,830,881.00/216,517.38
  6. Step 6: Final answer
    x = 172,022.36

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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.