Home / 342,734.08-514,018.32-132,237.76

Finding the Fourth Proportional to 342,734.08, 514,018.32 and 132,237.76

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Solution

The fourth proportional to 342,734.08, 514,018.32 and 132,237.76 is: 198,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,734.08 : 514,018.32 = 132,237.76 : x
  2. Step 2: Convert to fraction form
    342,734.08/514,018.32 = 132,237.76/x
  3. Step 3: Cross multiply
    342,734.08x = 514,018.32 × 132,237.76
  4. Step 4: Simplify right side
    342,734.08x = 67,972,631,235.76
  5. Step 5: Solve for x
    x = 67,972,631,235.76/342,734.08
  6. Step 6: Final answer
    x = 198,324.69

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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.