Home / 127,047.78-190,685.88-93,356.64

Finding the Fourth Proportional to 127,047.78, 190,685.88 and 93,356.64

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Solution

The fourth proportional to 127,047.78, 190,685.88 and 93,356.64 is: 140,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,047.78 : 190,685.88 = 93,356.64 : x
  2. Step 2: Convert to fraction form
    127,047.78/190,685.88 = 93,356.64/x
  3. Step 3: Cross multiply
    127,047.78x = 190,685.88 × 93,356.64
  4. Step 4: Simplify right side
    127,047.78x = 17,801,793,052.24
  5. Step 5: Solve for x
    x = 17,801,793,052.24/127,047.78
  6. Step 6: Final answer
    x = 140,118.88

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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.