Home / 146,479.64-202,156.97-89,123.02

Finding the Fourth Proportional to 146,479.64, 202,156.97 and 89,123.02

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Solution

The fourth proportional to 146,479.64, 202,156.97 and 89,123.02 is: 122,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,479.64 : 202,156.97 = 89,123.02 : x
  2. Step 2: Convert to fraction form
    146,479.64/202,156.97 = 89,123.02/x
  3. Step 3: Cross multiply
    146,479.64x = 202,156.97 × 89,123.02
  4. Step 4: Simplify right side
    146,479.64x = 18,016,838,729.44
  5. Step 5: Solve for x
    x = 18,016,838,729.44/146,479.64
  6. Step 6: Final answer
    x = 122,998.93

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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.