Home / 153,285.78-229,928.25-48,112.62

Finding the Fourth Proportional to 153,285.78, 229,928.25 and 48,112.62

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Solution

The fourth proportional to 153,285.78, 229,928.25 and 48,112.62 is: 72,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,285.78 : 229,928.25 = 48,112.62 : x
  2. Step 2: Convert to fraction form
    153,285.78/229,928.25 = 48,112.62/x
  3. Step 3: Cross multiply
    153,285.78x = 229,928.25 × 48,112.62
  4. Step 4: Simplify right side
    153,285.78x = 11,062,450,519.52
  5. Step 5: Solve for x
    x = 11,062,450,519.52/153,285.78
  6. Step 6: Final answer
    x = 72,168.80

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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.