Home / 127,100.25-175,398.35-70,512.03

Finding the Fourth Proportional to 127,100.25, 175,398.35 and 70,512.03

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Solution

The fourth proportional to 127,100.25, 175,398.35 and 70,512.03 is: 97,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.25 : 175,398.35 = 70,512.03 : x
  2. Step 2: Convert to fraction form
    127,100.25/175,398.35 = 70,512.03/x
  3. Step 3: Cross multiply
    127,100.25x = 175,398.35 × 70,512.03
  4. Step 4: Simplify right side
    127,100.25x = 12,367,693,364.59
  5. Step 5: Solve for x
    x = 12,367,693,364.59/127,100.25
  6. Step 6: Final answer
    x = 97,306.60

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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.