Home / 126,747.52-174,912.96-70,159.84

Finding the Fourth Proportional to 126,747.52, 174,912.96 and 70,159.84

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Solution

The fourth proportional to 126,747.52, 174,912.96 and 70,159.84 is: 96,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,747.52 : 174,912.96 = 70,159.84 : x
  2. Step 2: Convert to fraction form
    126,747.52/174,912.96 = 70,159.84/x
  3. Step 3: Cross multiply
    126,747.52x = 174,912.96 × 70,159.84
  4. Step 4: Simplify right side
    126,747.52x = 12,271,865,287.53
  5. Step 5: Solve for x
    x = 12,271,865,287.53/126,747.52
  6. Step 6: Final answer
    x = 96,821.34

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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.