Home / 209,562.27-314,340.35-51,790.74

Finding the Fourth Proportional to 209,562.27, 314,340.35 and 51,790.74

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Solution

The fourth proportional to 209,562.27, 314,340.35 and 51,790.74 is: 77,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,562.27 : 314,340.35 = 51,790.74 : x
  2. Step 2: Convert to fraction form
    209,562.27/314,340.35 = 51,790.74/x
  3. Step 3: Cross multiply
    209,562.27x = 314,340.35 × 51,790.74
  4. Step 4: Simplify right side
    209,562.27x = 16,279,919,079.41
  5. Step 5: Solve for x
    x = 16,279,919,079.41/209,562.27
  6. Step 6: Final answer
    x = 77,685.35

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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.