Home / 127,255.50-190,592.56-60,742.45

Finding the Fourth Proportional to 127,255.50, 190,592.56 and 60,742.45

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Solution

The fourth proportional to 127,255.50, 190,592.56 and 60,742.45 is: 90,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,255.50 : 190,592.56 = 60,742.45 : x
  2. Step 2: Convert to fraction form
    127,255.50/190,592.56 = 60,742.45/x
  3. Step 3: Cross multiply
    127,255.50x = 190,592.56 × 60,742.45
  4. Step 4: Simplify right side
    127,255.50x = 11,577,059,046.17
  5. Step 5: Solve for x
    x = 11,577,059,046.17/127,255.50
  6. Step 6: Final answer
    x = 90,974.92

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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.