Home / 153,719.92-230,439.48-53,825.50

Finding the Fourth Proportional to 153,719.92, 230,439.48 and 53,825.50

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Solution

The fourth proportional to 153,719.92, 230,439.48 and 53,825.50 is: 80,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,719.92 : 230,439.48 = 53,825.50 : x
  2. Step 2: Convert to fraction form
    153,719.92/230,439.48 = 53,825.50/x
  3. Step 3: Cross multiply
    153,719.92x = 230,439.48 × 53,825.50
  4. Step 4: Simplify right side
    153,719.92x = 12,403,520,230.74
  5. Step 5: Solve for x
    x = 12,403,520,230.74/153,719.92
  6. Step 6: Final answer
    x = 80,689.09

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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.