Home / 146,489.18-202,159.05-82,836.50

Finding the Fourth Proportional to 146,489.18, 202,159.05 and 82,836.50

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Solution

The fourth proportional to 146,489.18, 202,159.05 and 82,836.50 is: 114,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,489.18 : 202,159.05 = 82,836.50 : x
  2. Step 2: Convert to fraction form
    146,489.18/202,159.05 = 82,836.50/x
  3. Step 3: Cross multiply
    146,489.18x = 202,159.05 × 82,836.50
  4. Step 4: Simplify right side
    146,489.18x = 16,746,148,145.33
  5. Step 5: Solve for x
    x = 16,746,148,145.33/146,489.18
  6. Step 6: Final answer
    x = 114,316.62

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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.