Home / 234,383.91-323,237.19-153,780.81

Finding the Fourth Proportional to 234,383.91, 323,237.19 and 153,780.81

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Solution

The fourth proportional to 234,383.91, 323,237.19 and 153,780.81 is: 212,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,383.91 : 323,237.19 = 153,780.81 : x
  2. Step 2: Convert to fraction form
    234,383.91/323,237.19 = 153,780.81/x
  3. Step 3: Cross multiply
    234,383.91x = 323,237.19 × 153,780.81
  4. Step 4: Simplify right side
    234,383.91x = 49,707,676,900.32
  5. Step 5: Solve for x
    x = 49,707,676,900.32/234,383.91
  6. Step 6: Final answer
    x = 212,078.03

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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.