Home / 170,600.40-255,966.57-70,734.96

Finding the Fourth Proportional to 170,600.40, 255,966.57 and 70,734.96

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Solution

The fourth proportional to 170,600.40, 255,966.57 and 70,734.96 is: 106,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,600.40 : 255,966.57 = 70,734.96 : x
  2. Step 2: Convert to fraction form
    170,600.40/255,966.57 = 70,734.96/x
  3. Step 3: Cross multiply
    170,600.40x = 255,966.57 × 70,734.96
  4. Step 4: Simplify right side
    170,600.40x = 18,105,785,090.29
  5. Step 5: Solve for x
    x = 18,105,785,090.29/170,600.40
  6. Step 6: Final answer
    x = 106,129.79

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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.