Home / 234,343.71-323,392.50-126,911.25

Finding the Fourth Proportional to 234,343.71, 323,392.50 and 126,911.25

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Solution

The fourth proportional to 234,343.71, 323,392.50 and 126,911.25 is: 175,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,343.71 : 323,392.50 = 126,911.25 : x
  2. Step 2: Convert to fraction form
    234,343.71/323,392.50 = 126,911.25/x
  3. Step 3: Cross multiply
    234,343.71x = 323,392.50 × 126,911.25
  4. Step 4: Simplify right side
    234,343.71x = 41,042,146,415.63
  5. Step 5: Solve for x
    x = 41,042,146,415.63/234,343.71
  6. Step 6: Final answer
    x = 175,136.54

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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.