Home / 236,784.40-355,176.60-148,310.80

Finding the Fourth Proportional to 236,784.40, 355,176.60 and 148,310.80

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Solution

The fourth proportional to 236,784.40, 355,176.60 and 148,310.80 is: 222,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,784.40 : 355,176.60 = 148,310.80 : x
  2. Step 2: Convert to fraction form
    236,784.40/355,176.60 = 148,310.80/x
  3. Step 3: Cross multiply
    236,784.40x = 355,176.60 × 148,310.80
  4. Step 4: Simplify right side
    236,784.40x = 52,676,525,687.28
  5. Step 5: Solve for x
    x = 52,676,525,687.28/236,784.40
  6. Step 6: Final answer
    x = 222,466.20

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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.