Home / 251,603.20-377,093.76-126,876.16

Finding the Fourth Proportional to 251,603.20, 377,093.76 and 126,876.16

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Solution

The fourth proportional to 251,603.20, 377,093.76 and 126,876.16 is: 190,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,603.20 : 377,093.76 = 126,876.16 : x
  2. Step 2: Convert to fraction form
    251,603.20/377,093.76 = 126,876.16/x
  3. Step 3: Cross multiply
    251,603.20x = 377,093.76 × 126,876.16
  4. Step 4: Simplify right side
    251,603.20x = 47,844,208,228.76
  5. Step 5: Solve for x
    x = 47,844,208,228.76/251,603.20
  6. Step 6: Final answer
    x = 190,157.39

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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.