Home / 127,180.65-175,511.49-69,825.29

Finding the Fourth Proportional to 127,180.65, 175,511.49 and 69,825.29

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Solution

The fourth proportional to 127,180.65, 175,511.49 and 69,825.29 is: 96,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180.65 : 175,511.49 = 69,825.29 : x
  2. Step 2: Convert to fraction form
    127,180.65/175,511.49 = 69,825.29/x
  3. Step 3: Cross multiply
    127,180.65x = 175,511.49 × 69,825.29
  4. Step 4: Simplify right side
    127,180.65x = 12,255,140,687.58
  5. Step 5: Solve for x
    x = 12,255,140,687.58/127,180.65
  6. Step 6: Final answer
    x = 96,360.10

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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.