Home / 226,076.16-339,114.40-78,332.16

Finding the Fourth Proportional to 226,076.16, 339,114.40 and 78,332.16

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Solution

The fourth proportional to 226,076.16, 339,114.40 and 78,332.16 is: 117,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,076.16 : 339,114.40 = 78,332.16 : x
  2. Step 2: Convert to fraction form
    226,076.16/339,114.40 = 78,332.16/x
  3. Step 3: Cross multiply
    226,076.16x = 339,114.40 × 78,332.16
  4. Step 4: Simplify right side
    226,076.16x = 26,563,563,439.10
  5. Step 5: Solve for x
    x = 26,563,563,439.10/226,076.16
  6. Step 6: Final answer
    x = 117,498.30

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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.