Home / 243,535.73-336,083.11-136,112.72

Finding the Fourth Proportional to 243,535.73, 336,083.11 and 136,112.72

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Solution

The fourth proportional to 243,535.73, 336,083.11 and 136,112.72 is: 187,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,535.73 : 336,083.11 = 136,112.72 : x
  2. Step 2: Convert to fraction form
    243,535.73/336,083.11 = 136,112.72/x
  3. Step 3: Cross multiply
    243,535.73x = 336,083.11 × 136,112.72
  4. Step 4: Simplify right side
    243,535.73x = 45,745,184,227.46
  5. Step 5: Solve for x
    x = 45,745,184,227.46/243,535.73
  6. Step 6: Final answer
    x = 187,837.67

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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.