Home / 127,923.10-191,884.65-72,627.10

Finding the Fourth Proportional to 127,923.10, 191,884.65 and 72,627.10

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Solution

The fourth proportional to 127,923.10, 191,884.65 and 72,627.10 is: 108,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,923.10 : 191,884.65 = 72,627.10 : x
  2. Step 2: Convert to fraction form
    127,923.10/191,884.65 = 72,627.10/x
  3. Step 3: Cross multiply
    127,923.10x = 191,884.65 × 72,627.10
  4. Step 4: Simplify right side
    127,923.10x = 13,936,025,664.02
  5. Step 5: Solve for x
    x = 13,936,025,664.02/127,923.10
  6. Step 6: Final answer
    x = 108,940.65

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Similar ratio
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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.