Home / 236,443.40-354,665.10-217,089.80

Finding the Fourth Proportional to 236,443.40, 354,665.10 and 217,089.80

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Solution

The fourth proportional to 236,443.40, 354,665.10 and 217,089.80 is: 325,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,443.40 : 354,665.10 = 217,089.80 : x
  2. Step 2: Convert to fraction form
    236,443.40/354,665.10 = 217,089.80/x
  3. Step 3: Cross multiply
    236,443.40x = 354,665.10 × 217,089.80
  4. Step 4: Simplify right side
    236,443.40x = 76,994,175,625.98
  5. Step 5: Solve for x
    x = 76,994,175,625.98/236,443.40
  6. Step 6: Final answer
    x = 325,634.70

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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.