Home / 127,020.22-190,462.25-42,752.41

Finding the Fourth Proportional to 127,020.22, 190,462.25 and 42,752.41

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Solution

The fourth proportional to 127,020.22, 190,462.25 and 42,752.41 is: 64,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,020.22 : 190,462.25 = 42,752.41 : x
  2. Step 2: Convert to fraction form
    127,020.22/190,462.25 = 42,752.41/x
  3. Step 3: Cross multiply
    127,020.22x = 190,462.25 × 42,752.41
  4. Step 4: Simplify right side
    127,020.22x = 8,142,719,832.25
  5. Step 5: Solve for x
    x = 8,142,719,832.25/127,020.22
  6. Step 6: Final answer
    x = 64,105.70

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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.