Home / 116,708.40-175,062.60-72,190.80

Finding the Fourth Proportional to 116,708.40, 175,062.60 and 72,190.80

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Solution

The fourth proportional to 116,708.40, 175,062.60 and 72,190.80 is: 108,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,708.40 : 175,062.60 = 72,190.80 : x
  2. Step 2: Convert to fraction form
    116,708.40/175,062.60 = 72,190.80/x
  3. Step 3: Cross multiply
    116,708.40x = 175,062.60 × 72,190.80
  4. Step 4: Simplify right side
    116,708.40x = 12,637,909,144.08
  5. Step 5: Solve for x
    x = 12,637,909,144.08/116,708.40
  6. Step 6: Final answer
    x = 108,286.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.