Home / 127,291.96-190,647.28-60,778.78

Finding the Fourth Proportional to 127,291.96, 190,647.28 and 60,778.78

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Solution

The fourth proportional to 127,291.96, 190,647.28 and 60,778.78 is: 91,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,291.96 : 190,647.28 = 60,778.78 : x
  2. Step 2: Convert to fraction form
    127,291.96/190,647.28 = 60,778.78/x
  3. Step 3: Cross multiply
    127,291.96x = 190,647.28 × 60,778.78
  4. Step 4: Simplify right side
    127,291.96x = 11,587,309,088.72
  5. Step 5: Solve for x
    x = 11,587,309,088.72/127,291.96
  6. Step 6: Final answer
    x = 91,029.39

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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.