Home / 153,786.15-230,712.66-47,170.53

Finding the Fourth Proportional to 153,786.15, 230,712.66 and 47,170.53

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Solution

The fourth proportional to 153,786.15, 230,712.66 and 47,170.53 is: 70,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,786.15 : 230,712.66 = 47,170.53 : x
  2. Step 2: Convert to fraction form
    153,786.15/230,712.66 = 47,170.53/x
  3. Step 3: Cross multiply
    153,786.15x = 230,712.66 × 47,170.53
  4. Step 4: Simplify right side
    153,786.15x = 10,882,838,449.91
  5. Step 5: Solve for x
    x = 10,882,838,449.91/153,786.15
  6. Step 6: Final answer
    x = 70,766.05

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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.