Home / 234,369.18-323,429.76-126,940.10

Finding the Fourth Proportional to 234,369.18, 323,429.76 and 126,940.10

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Solution

The fourth proportional to 234,369.18, 323,429.76 and 126,940.10 is: 175,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,369.18 : 323,429.76 = 126,940.10 : x
  2. Step 2: Convert to fraction form
    234,369.18/323,429.76 = 126,940.10/x
  3. Step 3: Cross multiply
    234,369.18x = 323,429.76 × 126,940.10
  4. Step 4: Simplify right side
    234,369.18x = 41,056,204,460.23
  5. Step 5: Solve for x
    x = 41,056,204,460.23/234,369.18
  6. Step 6: Final answer
    x = 175,177.49

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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.