Home / 386,204.25-532,994.67-216,471.18

Finding the Fourth Proportional to 386,204.25, 532,994.67 and 216,471.18

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Solution

The fourth proportional to 386,204.25, 532,994.67 and 216,471.18 is: 298,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,204.25 : 532,994.67 = 216,471.18 : x
  2. Step 2: Convert to fraction form
    386,204.25/532,994.67 = 216,471.18/x
  3. Step 3: Cross multiply
    386,204.25x = 532,994.67 × 216,471.18
  4. Step 4: Simplify right side
    386,204.25x = 115,377,985,148.61
  5. Step 5: Solve for x
    x = 115,377,985,148.61/386,204.25
  6. Step 6: Final answer
    x = 298,748.62

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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.