Home / 127,295.72-175,671.19-69,938.75

Finding the Fourth Proportional to 127,295.72, 175,671.19 and 69,938.75

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Solution

The fourth proportional to 127,295.72, 175,671.19 and 69,938.75 is: 96,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,295.72 : 175,671.19 = 69,938.75 : x
  2. Step 2: Convert to fraction form
    127,295.72/175,671.19 = 69,938.75/x
  3. Step 3: Cross multiply
    127,295.72x = 175,671.19 × 69,938.75
  4. Step 4: Simplify right side
    127,295.72x = 12,286,223,703.94
  5. Step 5: Solve for x
    x = 12,286,223,703.94/127,295.72
  6. Step 6: Final answer
    x = 96,517.18

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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.