Home / 170,711.40-255,922.50-70,809.24

Finding the Fourth Proportional to 170,711.40, 255,922.50 and 70,809.24

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Solution

The fourth proportional to 170,711.40, 255,922.50 and 70,809.24 is: 106,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,711.40 : 255,922.50 = 70,809.24 : x
  2. Step 2: Convert to fraction form
    170,711.40/255,922.50 = 70,809.24/x
  3. Step 3: Cross multiply
    170,711.40x = 255,922.50 × 70,809.24
  4. Step 4: Simplify right side
    170,711.40x = 18,121,677,723.90
  5. Step 5: Solve for x
    x = 18,121,677,723.90/170,711.40
  6. Step 6: Final answer
    x = 106,153.88

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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.