Home / 242,149.40-363,263-92,383.64

Finding the Fourth Proportional to 242,149.40, 363,263 and 92,383.64

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Solution

The fourth proportional to 242,149.40, 363,263 and 92,383.64 is: 138,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,149.40 : 363,263 = 92,383.64 : x
  2. Step 2: Convert to fraction form
    242,149.40/363,263 = 92,383.64/x
  3. Step 3: Cross multiply
    242,149.40x = 363,263 × 92,383.64
  4. Step 4: Simplify right side
    242,149.40x = 33,559,558,217.32
  5. Step 5: Solve for x
    x = 33,559,558,217.32/242,149.40
  6. Step 6: Final answer
    x = 138,590.30

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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.