Home / 226,177.50-312,102.85-130,682.14

Finding the Fourth Proportional to 226,177.50, 312,102.85 and 130,682.14

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Solution

The fourth proportional to 226,177.50, 312,102.85 and 130,682.14 is: 180,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,177.50 : 312,102.85 = 130,682.14 : x
  2. Step 2: Convert to fraction form
    226,177.50/312,102.85 = 130,682.14/x
  3. Step 3: Cross multiply
    226,177.50x = 312,102.85 × 130,682.14
  4. Step 4: Simplify right side
    226,177.50x = 40,786,268,011.39
  5. Step 5: Solve for x
    x = 40,786,268,011.39/226,177.50
  6. Step 6: Final answer
    x = 180,328.59

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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.