Home / 262,205.08-392,948.76-198,110.56

Finding the Fourth Proportional to 262,205.08, 392,948.76 and 198,110.56

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Solution

The fourth proportional to 262,205.08, 392,948.76 and 198,110.56 is: 296,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,205.08 : 392,948.76 = 198,110.56 : x
  2. Step 2: Convert to fraction form
    262,205.08/392,948.76 = 198,110.56/x
  3. Step 3: Cross multiply
    262,205.08x = 392,948.76 × 198,110.56
  4. Step 4: Simplify right side
    262,205.08x = 77,847,298,894.91
  5. Step 5: Solve for x
    x = 77,847,298,894.91/262,205.08
  6. Step 6: Final answer
    x = 296,894.70

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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.