Home / 127,101.17-175,399.08-70,512.55

Finding the Fourth Proportional to 127,101.17, 175,399.08 and 70,512.55

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Solution

The fourth proportional to 127,101.17, 175,399.08 and 70,512.55 is: 97,307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.17 : 175,399.08 = 70,512.55 : x
  2. Step 2: Convert to fraction form
    127,101.17/175,399.08 = 70,512.55/x
  3. Step 3: Cross multiply
    127,101.17x = 175,399.08 × 70,512.55
  4. Step 4: Simplify right side
    127,101.17x = 12,367,836,398.45
  5. Step 5: Solve for x
    x = 12,367,836,398.45/127,101.17
  6. Step 6: Final answer
    x = 97,307.02

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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.