Home / 127,256.35-175,615.87-69,900.97

Finding the Fourth Proportional to 127,256.35, 175,615.87 and 69,900.97

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Solution

The fourth proportional to 127,256.35, 175,615.87 and 69,900.97 is: 96,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,256.35 : 175,615.87 = 69,900.97 : x
  2. Step 2: Convert to fraction form
    127,256.35/175,615.87 = 69,900.97/x
  3. Step 3: Cross multiply
    127,256.35x = 175,615.87 × 69,900.97
  4. Step 4: Simplify right side
    127,256.35x = 12,275,719,310.89
  5. Step 5: Solve for x
    x = 12,275,719,310.89/127,256.35
  6. Step 6: Final answer
    x = 96,464.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.