Home / 126,782.50-174,959.85-70,197.52

Finding the Fourth Proportional to 126,782.50, 174,959.85 and 70,197.52

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Solution

The fourth proportional to 126,782.50, 174,959.85 and 70,197.52 is: 96,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,782.50 : 174,959.85 = 70,197.52 : x
  2. Step 2: Convert to fraction form
    126,782.50/174,959.85 = 70,197.52/x
  3. Step 3: Cross multiply
    126,782.50x = 174,959.85 × 70,197.52
  4. Step 4: Simplify right side
    126,782.50x = 12,281,747,569.57
  5. Step 5: Solve for x
    x = 12,281,747,569.57/126,782.50
  6. Step 6: Final answer
    x = 96,872.58

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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.