Home / 268,243.10-402,364.65-264,095.90

Finding the Fourth Proportional to 268,243.10, 402,364.65 and 264,095.90

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Solution

The fourth proportional to 268,243.10, 402,364.65 and 264,095.90 is: 396,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,243.10 : 402,364.65 = 264,095.90 : x
  2. Step 2: Convert to fraction form
    268,243.10/402,364.65 = 264,095.90/x
  3. Step 3: Cross multiply
    268,243.10x = 402,364.65 × 264,095.90
  4. Step 4: Simplify right side
    268,243.10x = 106,262,854,369.94
  5. Step 5: Solve for x
    x = 106,262,854,369.94/268,243.10
  6. Step 6: Final answer
    x = 396,143.85

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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.