Home / 235,288.28-324,691.27-127,854.74

Finding the Fourth Proportional to 235,288.28, 324,691.27 and 127,854.74

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Solution

The fourth proportional to 235,288.28, 324,691.27 and 127,854.74 is: 176,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,288.28 : 324,691.27 = 127,854.74 : x
  2. Step 2: Convert to fraction form
    235,288.28/324,691.27 = 127,854.74/x
  3. Step 3: Cross multiply
    235,288.28x = 324,691.27 × 127,854.74
  4. Step 4: Simplify right side
    235,288.28x = 41,513,315,643.39
  5. Step 5: Solve for x
    x = 41,513,315,643.39/235,288.28
  6. Step 6: Final answer
    x = 176,435.97

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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.