Home / 127,029.12-190,550.88-38,294.88

Finding the Fourth Proportional to 127,029.12, 190,550.88 and 38,294.88

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Solution

The fourth proportional to 127,029.12, 190,550.88 and 38,294.88 is: 57,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,029.12 : 190,550.88 = 38,294.88 : x
  2. Step 2: Convert to fraction form
    127,029.12/190,550.88 = 38,294.88/x
  3. Step 3: Cross multiply
    127,029.12x = 190,550.88 × 38,294.88
  4. Step 4: Simplify right side
    127,029.12x = 7,297,123,083.49
  5. Step 5: Solve for x
    x = 7,297,123,083.49/127,029.12
  6. Step 6: Final answer
    x = 57,444.49

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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.