Home / 243,408.36-337,622.01-236,934.84

Finding the Fourth Proportional to 243,408.36, 337,622.01 and 236,934.84

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Solution

The fourth proportional to 243,408.36, 337,622.01 and 236,934.84 is: 328,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,408.36 : 337,622.01 = 236,934.84 : x
  2. Step 2: Convert to fraction form
    243,408.36/337,622.01 = 236,934.84/x
  3. Step 3: Cross multiply
    243,408.36x = 337,622.01 × 236,934.84
  4. Step 4: Simplify right side
    243,408.36x = 79,994,416,919.83
  5. Step 5: Solve for x
    x = 79,994,416,919.83/243,408.36
  6. Step 6: Final answer
    x = 328,642.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.