Home / 127,169.24-190,753.78-52,330.12

Finding the Fourth Proportional to 127,169.24, 190,753.78 and 52,330.12

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Solution

The fourth proportional to 127,169.24, 190,753.78 and 52,330.12 is: 78,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.24 : 190,753.78 = 52,330.12 : x
  2. Step 2: Convert to fraction form
    127,169.24/190,753.78 = 52,330.12/x
  3. Step 3: Cross multiply
    127,169.24x = 190,753.78 × 52,330.12
  4. Step 4: Simplify right side
    127,169.24x = 9,982,168,197.85
  5. Step 5: Solve for x
    x = 9,982,168,197.85/127,169.24
  6. Step 6: Final answer
    x = 78,495.15

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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.