Home / 236,739.40-355,109.10-148,265.80

Finding the Fourth Proportional to 236,739.40, 355,109.10 and 148,265.80

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Solution

The fourth proportional to 236,739.40, 355,109.10 and 148,265.80 is: 222,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,739.40 : 355,109.10 = 148,265.80 : x
  2. Step 2: Convert to fraction form
    236,739.40/355,109.10 = 148,265.80/x
  3. Step 3: Cross multiply
    236,739.40x = 355,109.10 × 148,265.80
  4. Step 4: Simplify right side
    236,739.40x = 52,650,534,798.78
  5. Step 5: Solve for x
    x = 52,650,534,798.78/236,739.40
  6. Step 6: Final answer
    x = 222,398.70

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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.