Home / 127,363.12-190,979-57,182.24

Finding the Fourth Proportional to 127,363.12, 190,979 and 57,182.24

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Solution

The fourth proportional to 127,363.12, 190,979 and 57,182.24 is: 85,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,363.12 : 190,979 = 57,182.24 : x
  2. Step 2: Convert to fraction form
    127,363.12/190,979 = 57,182.24/x
  3. Step 3: Cross multiply
    127,363.12x = 190,979 × 57,182.24
  4. Step 4: Simplify right side
    127,363.12x = 10,920,607,012.96
  5. Step 5: Solve for x
    x = 10,920,607,012.96/127,363.12
  6. Step 6: Final answer
    x = 85,743.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.