Home / 127,634.62-176,140.02-70,276.75

Finding the Fourth Proportional to 127,634.62, 176,140.02 and 70,276.75

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Solution

The fourth proportional to 127,634.62, 176,140.02 and 70,276.75 is: 96,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,634.62 : 176,140.02 = 70,276.75 : x
  2. Step 2: Convert to fraction form
    127,634.62/176,140.02 = 70,276.75/x
  3. Step 3: Cross multiply
    127,634.62x = 176,140.02 × 70,276.75
  4. Step 4: Simplify right side
    127,634.62x = 12,378,548,150.54
  5. Step 5: Solve for x
    x = 12,378,548,150.54/127,634.62
  6. Step 6: Final answer
    x = 96,984.25

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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.