Home / 234,145.89-323,157.20-132,212.25

Finding the Fourth Proportional to 234,145.89, 323,157.20 and 132,212.25

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Solution

The fourth proportional to 234,145.89, 323,157.20 and 132,212.25 is: 182,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,145.89 : 323,157.20 = 132,212.25 : x
  2. Step 2: Convert to fraction form
    234,145.89/323,157.20 = 132,212.25/x
  3. Step 3: Cross multiply
    234,145.89x = 323,157.20 × 132,212.25
  4. Step 4: Simplify right side
    234,145.89x = 42,725,339,854.64
  5. Step 5: Solve for x
    x = 42,725,339,854.64/234,145.89
  6. Step 6: Final answer
    x = 182,473.16

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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.