Home / 268,128.04-402,241.48-88,223.80

Finding the Fourth Proportional to 268,128.04, 402,241.48 and 88,223.80

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Solution

The fourth proportional to 268,128.04, 402,241.48 and 88,223.80 is: 132,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,128.04 : 402,241.48 = 88,223.80 : x
  2. Step 2: Convert to fraction form
    268,128.04/402,241.48 = 88,223.80/x
  3. Step 3: Cross multiply
    268,128.04x = 402,241.48 × 88,223.80
  4. Step 4: Simplify right side
    268,128.04x = 35,487,271,883.22
  5. Step 5: Solve for x
    x = 35,487,271,883.22/268,128.04
  6. Step 6: Final answer
    x = 132,351.96

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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.