Home / 236,809.40-355,214.10-148,335.80

Finding the Fourth Proportional to 236,809.40, 355,214.10 and 148,335.80

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Solution

The fourth proportional to 236,809.40, 355,214.10 and 148,335.80 is: 222,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,809.40 : 355,214.10 = 148,335.80 : x
  2. Step 2: Convert to fraction form
    236,809.40/355,214.10 = 148,335.80/x
  3. Step 3: Cross multiply
    236,809.40x = 355,214.10 × 148,335.80
  4. Step 4: Simplify right side
    236,809.40x = 52,690,967,694.78
  5. Step 5: Solve for x
    x = 52,690,967,694.78/236,809.40
  6. Step 6: Final answer
    x = 222,503.70

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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.