Home / 127,101.06-175,399.62-70,512.42

Finding the Fourth Proportional to 127,101.06, 175,399.62 and 70,512.42

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Solution

The fourth proportional to 127,101.06, 175,399.62 and 70,512.42 is: 97,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.06 : 175,399.62 = 70,512.42 : x
  2. Step 2: Convert to fraction form
    127,101.06/175,399.62 = 70,512.42/x
  3. Step 3: Cross multiply
    127,101.06x = 175,399.62 × 70,512.42
  4. Step 4: Simplify right side
    127,101.06x = 12,367,851,673.28
  5. Step 5: Solve for x
    x = 12,367,851,673.28/127,101.06
  6. Step 6: Final answer
    x = 97,307.23

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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.