Home / 230,660.10-318,333.78-140,009.04

Finding the Fourth Proportional to 230,660.10, 318,333.78 and 140,009.04

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Solution

The fourth proportional to 230,660.10, 318,333.78 and 140,009.04 is: 193,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,660.10 : 318,333.78 = 140,009.04 : x
  2. Step 2: Convert to fraction form
    230,660.10/318,333.78 = 140,009.04/x
  3. Step 3: Cross multiply
    230,660.10x = 318,333.78 × 140,009.04
  4. Step 4: Simplify right side
    230,660.10x = 44,569,606,937.37
  5. Step 5: Solve for x
    x = 44,569,606,937.37/230,660.10
  6. Step 6: Final answer
    x = 193,226.34

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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.