Home / 385,943.10-532,601.46-235,040.10

Finding the Fourth Proportional to 385,943.10, 532,601.46 and 235,040.10

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Solution

The fourth proportional to 385,943.10, 532,601.46 and 235,040.10 is: 324,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,943.10 : 532,601.46 = 235,040.10 : x
  2. Step 2: Convert to fraction form
    385,943.10/532,601.46 = 235,040.10/x
  3. Step 3: Cross multiply
    385,943.10x = 532,601.46 × 235,040.10
  4. Step 4: Simplify right side
    385,943.10x = 125,182,700,418.55
  5. Step 5: Solve for x
    x = 125,182,700,418.55/385,943.10
  6. Step 6: Final answer
    x = 324,355.33

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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.