Home / 127,247.56-190,871.28-38,499.04

Finding the Fourth Proportional to 127,247.56, 190,871.28 and 38,499.04

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Solution

The fourth proportional to 127,247.56, 190,871.28 and 38,499.04 is: 57,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,247.56 : 190,871.28 = 38,499.04 : x
  2. Step 2: Convert to fraction form
    127,247.56/190,871.28 = 38,499.04/x
  3. Step 3: Cross multiply
    127,247.56x = 190,871.28 × 38,499.04
  4. Step 4: Simplify right side
    127,247.56x = 7,348,361,043.57
  5. Step 5: Solve for x
    x = 7,348,361,043.57/127,247.56
  6. Step 6: Final answer
    x = 57,748.54

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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.