Home / 236,755.40-355,133.10-148,281.80

Finding the Fourth Proportional to 236,755.40, 355,133.10 and 148,281.80

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Solution

The fourth proportional to 236,755.40, 355,133.10 and 148,281.80 is: 222,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,755.40 : 355,133.10 = 148,281.80 : x
  2. Step 2: Convert to fraction form
    236,755.40/355,133.10 = 148,281.80/x
  3. Step 3: Cross multiply
    236,755.40x = 355,133.10 × 148,281.80
  4. Step 4: Simplify right side
    236,755.40x = 52,659,775,307.58
  5. Step 5: Solve for x
    x = 52,659,775,307.58/236,755.40
  6. Step 6: Final answer
    x = 222,422.70

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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.