Home / 207,827.11-310,962.18-147,993.86

Finding the Fourth Proportional to 207,827.11, 310,962.18 and 147,993.86

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Solution

The fourth proportional to 207,827.11, 310,962.18 and 147,993.86 is: 221,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,827.11 : 310,962.18 = 147,993.86 : x
  2. Step 2: Convert to fraction form
    207,827.11/310,962.18 = 147,993.86/x
  3. Step 3: Cross multiply
    207,827.11x = 310,962.18 × 147,993.86
  4. Step 4: Simplify right side
    207,827.11x = 46,020,494,669.86
  5. Step 5: Solve for x
    x = 46,020,494,669.86/207,827.11
  6. Step 6: Final answer
    x = 221,436.44

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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.