Home / 234,321.36-323,362.23-126,890.45

Finding the Fourth Proportional to 234,321.36, 323,362.23 and 126,890.45

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Solution

The fourth proportional to 234,321.36, 323,362.23 and 126,890.45 is: 175,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,321.36 : 323,362.23 = 126,890.45 : x
  2. Step 2: Convert to fraction form
    234,321.36/323,362.23 = 126,890.45/x
  3. Step 3: Cross multiply
    234,321.36x = 323,362.23 × 126,890.45
  4. Step 4: Simplify right side
    234,321.36x = 41,031,577,997.66
  5. Step 5: Solve for x
    x = 41,031,577,997.66/234,321.36
  6. Step 6: Final answer
    x = 175,108.14

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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.