Home / 385,865.11-532,501.19-216,098.83

Finding the Fourth Proportional to 385,865.11, 532,501.19 and 216,098.83

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Solution

The fourth proportional to 385,865.11, 532,501.19 and 216,098.83 is: 298,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,865.11 : 532,501.19 = 216,098.83 : x
  2. Step 2: Convert to fraction form
    385,865.11/532,501.19 = 216,098.83/x
  3. Step 3: Cross multiply
    385,865.11x = 532,501.19 × 216,098.83
  4. Step 4: Simplify right side
    385,865.11x = 115,072,884,132.61
  5. Step 5: Solve for x
    x = 115,072,884,132.61/385,865.11
  6. Step 6: Final answer
    x = 298,220.50

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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.