Home / 207,620.19-286,521.57-127,046.25

Finding the Fourth Proportional to 207,620.19, 286,521.57 and 127,046.25

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Solution

The fourth proportional to 207,620.19, 286,521.57 and 127,046.25 is: 175,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,620.19 : 286,521.57 = 127,046.25 : x
  2. Step 2: Convert to fraction form
    207,620.19/286,521.57 = 127,046.25/x
  3. Step 3: Cross multiply
    207,620.19x = 286,521.57 × 127,046.25
  4. Step 4: Simplify right side
    207,620.19x = 36,401,491,012.61
  5. Step 5: Solve for x
    x = 36,401,491,012.61/207,620.19
  6. Step 6: Final answer
    x = 175,327.32

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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.