Home / 329,175.32-454,136.70-243,340.38

Finding the Fourth Proportional to 329,175.32, 454,136.70 and 243,340.38

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Solution

The fourth proportional to 329,175.32, 454,136.70 and 243,340.38 is: 335,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,175.32 : 454,136.70 = 243,340.38 : x
  2. Step 2: Convert to fraction form
    329,175.32/454,136.70 = 243,340.38/x
  3. Step 3: Cross multiply
    329,175.32x = 454,136.70 × 243,340.38
  4. Step 4: Simplify right side
    329,175.32x = 110,509,797,149.95
  5. Step 5: Solve for x
    x = 110,509,797,149.95/329,175.32
  6. Step 6: Final answer
    x = 335,717.14

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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.