Home / 234,111.06-351,182.48-82,289.70

Finding the Fourth Proportional to 234,111.06, 351,182.48 and 82,289.70

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Solution

The fourth proportional to 234,111.06, 351,182.48 and 82,289.70 is: 123,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,111.06 : 351,182.48 = 82,289.70 : x
  2. Step 2: Convert to fraction form
    234,111.06/351,182.48 = 82,289.70/x
  3. Step 3: Cross multiply
    234,111.06x = 351,182.48 × 82,289.70
  4. Step 4: Simplify right side
    234,111.06x = 28,898,700,513.01
  5. Step 5: Solve for x
    x = 28,898,700,513.01/234,111.06
  6. Step 6: Final answer
    x = 123,440.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.