Home / 226,799.76-312,943.32-131,301.84

Finding the Fourth Proportional to 226,799.76, 312,943.32 and 131,301.84

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Solution

The fourth proportional to 226,799.76, 312,943.32 and 131,301.84 is: 181,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,799.76 : 312,943.32 = 131,301.84 : x
  2. Step 2: Convert to fraction form
    226,799.76/312,943.32 = 131,301.84/x
  3. Step 3: Cross multiply
    226,799.76x = 312,943.32 × 131,301.84
  4. Step 4: Simplify right side
    226,799.76x = 41,090,033,731.71
  5. Step 5: Solve for x
    x = 41,090,033,731.71/226,799.76
  6. Step 6: Final answer
    x = 181,173.18

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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.