Home / 226,554.42-312,610.82-129,743.22

Finding the Fourth Proportional to 226,554.42, 312,610.82 and 129,743.22

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Solution

The fourth proportional to 226,554.42, 312,610.82 and 129,743.22 is: 179,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,554.42 : 312,610.82 = 129,743.22 : x
  2. Step 2: Convert to fraction form
    226,554.42/312,610.82 = 129,743.22/x
  3. Step 3: Cross multiply
    226,554.42x = 312,610.82 × 129,743.22
  4. Step 4: Simplify right side
    226,554.42x = 40,559,134,393.64
  5. Step 5: Solve for x
    x = 40,559,134,393.64/226,554.42
  6. Step 6: Final answer
    x = 179,026.01

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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.