Home / 207,851.80-286,770.12-127,195.24

Finding the Fourth Proportional to 207,851.80, 286,770.12 and 127,195.24

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Solution

The fourth proportional to 207,851.80, 286,770.12 and 127,195.24 is: 175,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,851.80 : 286,770.12 = 127,195.24 : x
  2. Step 2: Convert to fraction form
    207,851.80/286,770.12 = 127,195.24/x
  3. Step 3: Cross multiply
    207,851.80x = 286,770.12 × 127,195.24
  4. Step 4: Simplify right side
    207,851.80x = 36,475,794,238.23
  5. Step 5: Solve for x
    x = 36,475,794,238.23/207,851.80
  6. Step 6: Final answer
    x = 175,489.43

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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.