Home / 226,343.66-312,215.85-134,400.62

Finding the Fourth Proportional to 226,343.66, 312,215.85 and 134,400.62

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Solution

The fourth proportional to 226,343.66, 312,215.85 and 134,400.62 is: 185,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,343.66 : 312,215.85 = 134,400.62 : x
  2. Step 2: Convert to fraction form
    226,343.66/312,215.85 = 134,400.62/x
  3. Step 3: Cross multiply
    226,343.66x = 312,215.85 × 134,400.62
  4. Step 4: Simplify right side
    226,343.66x = 41,962,003,813.83
  5. Step 5: Solve for x
    x = 41,962,003,813.83/226,343.66
  6. Step 6: Final answer
    x = 185,390.67

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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.