Home / 226,583.74-312,700.85-149,970.86

Finding the Fourth Proportional to 226,583.74, 312,700.85 and 149,970.86

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Solution

The fourth proportional to 226,583.74, 312,700.85 and 149,970.86 is: 206,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,583.74 : 312,700.85 = 149,970.86 : x
  2. Step 2: Convert to fraction form
    226,583.74/312,700.85 = 149,970.86/x
  3. Step 3: Cross multiply
    226,583.74x = 312,700.85 × 149,970.86
  4. Step 4: Simplify right side
    226,583.74x = 46,896,015,397.23
  5. Step 5: Solve for x
    x = 46,896,015,397.23/226,583.74
  6. Step 6: Final answer
    x = 206,969.91

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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.