Home / 127,515.29-175,963.66-70,144.81

Finding the Fourth Proportional to 127,515.29, 175,963.66 and 70,144.81

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Solution

The fourth proportional to 127,515.29, 175,963.66 and 70,144.81 is: 96,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,515.29 : 175,963.66 = 70,144.81 : x
  2. Step 2: Convert to fraction form
    127,515.29/175,963.66 = 70,144.81/x
  3. Step 3: Cross multiply
    127,515.29x = 175,963.66 × 70,144.81
  4. Step 4: Simplify right side
    127,515.29x = 12,342,936,882.33
  5. Step 5: Solve for x
    x = 12,342,936,882.33/127,515.29
  6. Step 6: Final answer
    x = 96,795.74

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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.