Home / 226,235.79-339,397.40-85,983.48

Finding the Fourth Proportional to 226,235.79, 339,397.40 and 85,983.48

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Solution

The fourth proportional to 226,235.79, 339,397.40 and 85,983.48 is: 128,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,235.79 : 339,397.40 = 85,983.48 : x
  2. Step 2: Convert to fraction form
    226,235.79/339,397.40 = 85,983.48/x
  3. Step 3: Cross multiply
    226,235.79x = 339,397.40 × 85,983.48
  4. Step 4: Simplify right side
    226,235.79x = 29,182,569,769.91
  5. Step 5: Solve for x
    x = 29,182,569,769.91/226,235.79
  6. Step 6: Final answer
    x = 128,991.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.