Home / 207,929.28-286,945.38-127,327.41

Finding the Fourth Proportional to 207,929.28, 286,945.38 and 127,327.41

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Solution

The fourth proportional to 207,929.28, 286,945.38 and 127,327.41 is: 175,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,929.28 : 286,945.38 = 127,327.41 : x
  2. Step 2: Convert to fraction form
    207,929.28/286,945.38 = 127,327.41/x
  3. Step 3: Cross multiply
    207,929.28x = 286,945.38 × 127,327.41
  4. Step 4: Simplify right side
    207,929.28x = 36,536,012,046.87
  5. Step 5: Solve for x
    x = 36,536,012,046.87/207,929.28
  6. Step 6: Final answer
    x = 175,713.65

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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.