Home / 266,887.95-400,332.20-109,116.41

Finding the Fourth Proportional to 266,887.95, 400,332.20 and 109,116.41

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Solution

The fourth proportional to 266,887.95, 400,332.20 and 109,116.41 is: 163,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,887.95 : 400,332.20 = 109,116.41 : x
  2. Step 2: Convert to fraction form
    266,887.95/400,332.20 = 109,116.41/x
  3. Step 3: Cross multiply
    266,887.95x = 400,332.20 × 109,116.41
  4. Step 4: Simplify right side
    266,887.95x = 43,682,809,924.16
  5. Step 5: Solve for x
    x = 43,682,809,924.16/266,887.95
  6. Step 6: Final answer
    x = 163,674.72

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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.