Home / 226,334.11-312,223.96-153,740.75

Finding the Fourth Proportional to 226,334.11, 312,223.96 and 153,740.75

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Solution

The fourth proportional to 226,334.11, 312,223.96 and 153,740.75 is: 212,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,334.11 : 312,223.96 = 153,740.75 : x
  2. Step 2: Convert to fraction form
    226,334.11/312,223.96 = 153,740.75/x
  3. Step 3: Cross multiply
    226,334.11x = 312,223.96 × 153,740.75
  4. Step 4: Simplify right side
    226,334.11x = 48,001,545,778.37
  5. Step 5: Solve for x
    x = 48,001,545,778.37/226,334.11
  6. Step 6: Final answer
    x = 212,082.69

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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.