Home / 242,028.20-363,128.70-101,829.80

Finding the Fourth Proportional to 242,028.20, 363,128.70 and 101,829.80

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Solution

The fourth proportional to 242,028.20, 363,128.70 and 101,829.80 is: 152,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,028.20 : 363,128.70 = 101,829.80 : x
  2. Step 2: Convert to fraction form
    242,028.20/363,128.70 = 101,829.80/x
  3. Step 3: Cross multiply
    242,028.20x = 363,128.70 × 101,829.80
  4. Step 4: Simplify right side
    242,028.20x = 36,977,322,895.26
  5. Step 5: Solve for x
    x = 36,977,322,895.26/242,028.20
  6. Step 6: Final answer
    x = 152,781.05

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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.