Home / 153,865.20-230,819.40-48,673.20

Finding the Fourth Proportional to 153,865.20, 230,819.40 and 48,673.20

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Solution

The fourth proportional to 153,865.20, 230,819.40 and 48,673.20 is: 73,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,865.20 : 230,819.40 = 48,673.20 : x
  2. Step 2: Convert to fraction form
    153,865.20/230,819.40 = 48,673.20/x
  3. Step 3: Cross multiply
    153,865.20x = 230,819.40 × 48,673.20
  4. Step 4: Simplify right side
    153,865.20x = 11,234,718,820.08
  5. Step 5: Solve for x
    x = 11,234,718,820.08/153,865.20
  6. Step 6: Final answer
    x = 73,016.63

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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.