Home / 126,860.88-175,073.40-70,272.24

Finding the Fourth Proportional to 126,860.88, 175,073.40 and 70,272.24

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Solution

The fourth proportional to 126,860.88, 175,073.40 and 70,272.24 is: 96,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,860.88 : 175,073.40 = 70,272.24 : x
  2. Step 2: Convert to fraction form
    126,860.88/175,073.40 = 70,272.24/x
  3. Step 3: Cross multiply
    126,860.88x = 175,073.40 × 70,272.24
  4. Step 4: Simplify right side
    126,860.88x = 12,302,799,982.42
  5. Step 5: Solve for x
    x = 12,302,799,982.42/126,860.88
  6. Step 6: Final answer
    x = 96,978.67

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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.