Home / 226,511.95-312,259.09-149,902.71

Finding the Fourth Proportional to 226,511.95, 312,259.09 and 149,902.71

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Solution

The fourth proportional to 226,511.95, 312,259.09 and 149,902.71 is: 206,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,511.95 : 312,259.09 = 149,902.71 : x
  2. Step 2: Convert to fraction form
    226,511.95/312,259.09 = 149,902.71/x
  3. Step 3: Cross multiply
    226,511.95x = 312,259.09 × 149,902.71
  4. Step 4: Simplify right side
    226,511.95x = 46,808,482,251.84
  5. Step 5: Solve for x
    x = 46,808,482,251.84/226,511.95
  6. Step 6: Final answer
    x = 206,649.06

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1.5x scale

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.