Home / 153,246.92-229,868.06-68,947.55

Finding the Fourth Proportional to 153,246.92, 229,868.06 and 68,947.55

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Solution

The fourth proportional to 153,246.92, 229,868.06 and 68,947.55 is: 103,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246.92 : 229,868.06 = 68,947.55 : x
  2. Step 2: Convert to fraction form
    153,246.92/229,868.06 = 68,947.55/x
  3. Step 3: Cross multiply
    153,246.92x = 229,868.06 × 68,947.55
  4. Step 4: Simplify right side
    153,246.92x = 15,848,838,583.28
  5. Step 5: Solve for x
    x = 15,848,838,583.28/153,246.92
  6. Step 6: Final answer
    x = 103,420.28

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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.