Home / 127,101.56-175,400.36-70,512.92

Finding the Fourth Proportional to 127,101.56, 175,400.36 and 70,512.92

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Solution

The fourth proportional to 127,101.56, 175,400.36 and 70,512.92 is: 97,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.56 : 175,400.36 = 70,512.92 : x
  2. Step 2: Convert to fraction form
    127,101.56/175,400.36 = 70,512.92/x
  3. Step 3: Cross multiply
    127,101.56x = 175,400.36 × 70,512.92
  4. Step 4: Simplify right side
    127,101.56x = 12,367,991,200.09
  5. Step 5: Solve for x
    x = 12,367,991,200.09/127,101.56
  6. Step 6: Final answer
    x = 97,307.94

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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.