Home / 146,549.92-202,246.72-92,815.20

Finding the Fourth Proportional to 146,549.92, 202,246.72 and 92,815.20

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Solution

The fourth proportional to 146,549.92, 202,246.72 and 92,815.20 is: 128,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,549.92 : 202,246.72 = 92,815.20 : x
  2. Step 2: Convert to fraction form
    146,549.92/202,246.72 = 92,815.20/x
  3. Step 3: Cross multiply
    146,549.92x = 202,246.72 × 92,815.20
  4. Step 4: Simplify right side
    146,549.92x = 18,771,569,766.14
  5. Step 5: Solve for x
    x = 18,771,569,766.14/146,549.92
  6. Step 6: Final answer
    x = 128,089.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.