Home / 385,864.11-532,499.81-216,097.83

Finding the Fourth Proportional to 385,864.11, 532,499.81 and 216,097.83

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Solution

The fourth proportional to 385,864.11, 532,499.81 and 216,097.83 is: 298,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,864.11 : 532,499.81 = 216,097.83 : x
  2. Step 2: Convert to fraction form
    385,864.11/532,499.81 = 216,097.83/x
  3. Step 3: Cross multiply
    385,864.11x = 532,499.81 × 216,097.83
  4. Step 4: Simplify right side
    385,864.11x = 115,072,052,335.92
  5. Step 5: Solve for x
    x = 115,072,052,335.92/385,864.11
  6. Step 6: Final answer
    x = 298,219.11

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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.