Home / 126,763.20-174,934.08-70,173.36

Finding the Fourth Proportional to 126,763.20, 174,934.08 and 70,173.36

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Solution

The fourth proportional to 126,763.20, 174,934.08 and 70,173.36 is: 96,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,763.20 : 174,934.08 = 70,173.36 : x
  2. Step 2: Convert to fraction form
    126,763.20/174,934.08 = 70,173.36/x
  3. Step 3: Cross multiply
    126,763.20x = 174,934.08 × 70,173.36
  4. Step 4: Simplify right side
    126,763.20x = 12,275,712,172.11
  5. Step 5: Solve for x
    x = 12,275,712,172.11/126,763.20
  6. Step 6: Final answer
    x = 96,839.72

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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.