Home / 153,823.93-230,734.87-82,780.00

Finding the Fourth Proportional to 153,823.93, 230,734.87 and 82,780.00

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Solution

The fourth proportional to 153,823.93, 230,734.87 and 82,780.00 is: 124,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,823.93 : 230,734.87 = 82,780.00 : x
  2. Step 2: Convert to fraction form
    153,823.93/230,734.87 = 82,780.00/x
  3. Step 3: Cross multiply
    153,823.93x = 230,734.87 × 82,780.00
  4. Step 4: Simplify right side
    153,823.93x = 19,100,231,632.61
  5. Step 5: Solve for x
    x = 19,100,231,632.61/153,823.93
  6. Step 6: Final answer
    x = 124,169.44

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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.