Home / 127,170.12-175,474.26-73,446.60

Finding the Fourth Proportional to 127,170.12, 175,474.26 and 73,446.60

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Solution

The fourth proportional to 127,170.12, 175,474.26 and 73,446.60 is: 101,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,170.12 : 175,474.26 = 73,446.60 : x
  2. Step 2: Convert to fraction form
    127,170.12/175,474.26 = 73,446.60/x
  3. Step 3: Cross multiply
    127,170.12x = 175,474.26 × 73,446.60
  4. Step 4: Simplify right side
    127,170.12x = 12,887,987,784.52
  5. Step 5: Solve for x
    x = 12,887,987,784.52/127,170.12
  6. Step 6: Final answer
    x = 101,344.47

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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.