Home / 175,150.39-261,765.90-127,865.06

Finding the Fourth Proportional to 175,150.39, 261,765.90 and 127,865.06

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Solution

The fourth proportional to 175,150.39, 261,765.90 and 127,865.06 is: 191,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,150.39 : 261,765.90 = 127,865.06 : x
  2. Step 2: Convert to fraction form
    175,150.39/261,765.90 = 127,865.06/x
  3. Step 3: Cross multiply
    175,150.39x = 261,765.90 × 127,865.06
  4. Step 4: Simplify right side
    175,150.39x = 33,470,711,200.62
  5. Step 5: Solve for x
    x = 33,470,711,200.62/175,150.39
  6. Step 6: Final answer
    x = 191,096.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.