Home / 127,041.30-190,500.21-38,278.26

Finding the Fourth Proportional to 127,041.30, 190,500.21 and 38,278.26

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Solution

The fourth proportional to 127,041.30, 190,500.21 and 38,278.26 is: 57,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,041.30 : 190,500.21 = 38,278.26 : x
  2. Step 2: Convert to fraction form
    127,041.30/190,500.21 = 38,278.26/x
  3. Step 3: Cross multiply
    127,041.30x = 190,500.21 × 38,278.26
  4. Step 4: Simplify right side
    127,041.30x = 7,292,016,568.43
  5. Step 5: Solve for x
    x = 7,292,016,568.43/127,041.30
  6. Step 6: Final answer
    x = 57,398.79

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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.