Home / 146,385.12-202,013.04-82,723.68

Finding the Fourth Proportional to 146,385.12, 202,013.04 and 82,723.68

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Solution

The fourth proportional to 146,385.12, 202,013.04 and 82,723.68 is: 114,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,385.12 : 202,013.04 = 82,723.68 : x
  2. Step 2: Convert to fraction form
    146,385.12/202,013.04 = 82,723.68/x
  3. Step 3: Cross multiply
    146,385.12x = 202,013.04 × 82,723.68
  4. Step 4: Simplify right side
    146,385.12x = 16,711,262,076.79
  5. Step 5: Solve for x
    x = 16,711,262,076.79/146,385.12
  6. Step 6: Final answer
    x = 114,159.57

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1.5x scale

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.