Home / 226,416.31-312,728.55-165,065.34

Finding the Fourth Proportional to 226,416.31, 312,728.55 and 165,065.34

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Solution

The fourth proportional to 226,416.31, 312,728.55 and 165,065.34 is: 227,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,416.31 : 312,728.55 = 165,065.34 : x
  2. Step 2: Convert to fraction form
    226,416.31/312,728.55 = 165,065.34/x
  3. Step 3: Cross multiply
    226,416.31x = 312,728.55 × 165,065.34
  4. Step 4: Simplify right side
    226,416.31x = 51,620,644,987.19
  5. Step 5: Solve for x
    x = 51,620,644,987.19/226,416.31
  6. Step 6: Final answer
    x = 227,989.95

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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.