Home / 126,746.78-190,180.31-63,572.55

Finding the Fourth Proportional to 126,746.78, 190,180.31 and 63,572.55

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Solution

The fourth proportional to 126,746.78, 190,180.31 and 63,572.55 is: 95,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,746.78 : 190,180.31 = 63,572.55 : x
  2. Step 2: Convert to fraction form
    126,746.78/190,180.31 = 63,572.55/x
  3. Step 3: Cross multiply
    126,746.78x = 190,180.31 × 63,572.55
  4. Step 4: Simplify right side
    126,746.78x = 12,090,246,235.45
  5. Step 5: Solve for x
    x = 12,090,246,235.45/126,746.78
  6. Step 6: Final answer
    x = 95,388.99

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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.