Home / 161,790.64-242,686.50-49,470.44

Finding the Fourth Proportional to 161,790.64, 242,686.50 and 49,470.44

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Solution

The fourth proportional to 161,790.64, 242,686.50 and 49,470.44 is: 74,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,790.64 : 242,686.50 = 49,470.44 : x
  2. Step 2: Convert to fraction form
    161,790.64/242,686.50 = 49,470.44/x
  3. Step 3: Cross multiply
    161,790.64x = 242,686.50 × 49,470.44
  4. Step 4: Simplify right side
    161,790.64x = 12,005,807,937.06
  5. Step 5: Solve for x
    x = 12,005,807,937.06/161,790.64
  6. Step 6: Final answer
    x = 74,205.83

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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.