Home / 329,255.04-454,394.70-200,243.91

Finding the Fourth Proportional to 329,255.04, 454,394.70 and 200,243.91

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Solution

The fourth proportional to 329,255.04, 454,394.70 and 200,243.91 is: 276,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,255.04 : 454,394.70 = 200,243.91 : x
  2. Step 2: Convert to fraction form
    329,255.04/454,394.70 = 200,243.91/x
  3. Step 3: Cross multiply
    329,255.04x = 454,394.70 × 200,243.91
  4. Step 4: Simplify right side
    329,255.04x = 90,989,771,411.28
  5. Step 5: Solve for x
    x = 90,989,771,411.28/329,255.04
  6. Step 6: Final answer
    x = 276,350.43

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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.