Home / 126,854.75-175,065.12-70,266.13

Finding the Fourth Proportional to 126,854.75, 175,065.12 and 70,266.13

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Solution

The fourth proportional to 126,854.75, 175,065.12 and 70,266.13 is: 96,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,854.75 : 175,065.12 = 70,266.13 : x
  2. Step 2: Convert to fraction form
    126,854.75/175,065.12 = 70,266.13/x
  3. Step 3: Cross multiply
    126,854.75x = 175,065.12 × 70,266.13
  4. Step 4: Simplify right side
    126,854.75x = 12,301,148,480.39
  5. Step 5: Solve for x
    x = 12,301,148,480.39/126,854.75
  6. Step 6: Final answer
    x = 96,970.34

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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.