Home / 234,170.73-323,155.60-126,741.65

Finding the Fourth Proportional to 234,170.73, 323,155.60 and 126,741.65

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Solution

The fourth proportional to 234,170.73, 323,155.60 and 126,741.65 is: 174,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,170.73 : 323,155.60 = 126,741.65 : x
  2. Step 2: Convert to fraction form
    234,170.73/323,155.60 = 126,741.65/x
  3. Step 3: Cross multiply
    234,170.73x = 323,155.60 × 126,741.65
  4. Step 4: Simplify right side
    234,170.73x = 40,957,272,018.11
  5. Step 5: Solve for x
    x = 40,957,272,018.11/234,170.73
  6. Step 6: Final answer
    x = 174,903.46

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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.