Home / 234,685.10-323,864.78-127,254.80

Finding the Fourth Proportional to 234,685.10, 323,864.78 and 127,254.80

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Solution

The fourth proportional to 234,685.10, 323,864.78 and 127,254.80 is: 175,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,685.10 : 323,864.78 = 127,254.80 : x
  2. Step 2: Convert to fraction form
    234,685.10/323,864.78 = 127,254.80/x
  3. Step 3: Cross multiply
    234,685.10x = 323,864.78 × 127,254.80
  4. Step 4: Simplify right side
    234,685.10x = 41,213,347,805.94
  5. Step 5: Solve for x
    x = 41,213,347,805.94/234,685.10
  6. Step 6: Final answer
    x = 175,611.27

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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.