Home / 226,555.85-312,569.21-140,483.84

Finding the Fourth Proportional to 226,555.85, 312,569.21 and 140,483.84

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Solution

The fourth proportional to 226,555.85, 312,569.21 and 140,483.84 is: 193,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,555.85 : 312,569.21 = 140,483.84 : x
  2. Step 2: Convert to fraction form
    226,555.85/312,569.21 = 140,483.84/x
  3. Step 3: Cross multiply
    226,555.85x = 312,569.21 × 140,483.84
  4. Step 4: Simplify right side
    226,555.85x = 43,910,921,674.93
  5. Step 5: Solve for x
    x = 43,910,921,674.93/226,555.85
  6. Step 6: Final answer
    x = 193,819.41

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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.