Home / 126,865.04-175,077.60-70,281.68

Finding the Fourth Proportional to 126,865.04, 175,077.60 and 70,281.68

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Solution

The fourth proportional to 126,865.04, 175,077.60 and 70,281.68 is: 96,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.04 : 175,077.60 = 70,281.68 : x
  2. Step 2: Convert to fraction form
    126,865.04/175,077.60 = 70,281.68/x
  3. Step 3: Cross multiply
    126,865.04x = 175,077.60 × 70,281.68
  4. Step 4: Simplify right side
    126,865.04x = 12,304,747,858.37
  5. Step 5: Solve for x
    x = 12,304,747,858.37/126,865.04
  6. Step 6: Final answer
    x = 96,990.85

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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.