Home / 194,712.45-292,232.70-76,468.65

Finding the Fourth Proportional to 194,712.45, 292,232.70 and 76,468.65

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Solution

The fourth proportional to 194,712.45, 292,232.70 and 76,468.65 is: 114,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,712.45 : 292,232.70 = 76,468.65 : x
  2. Step 2: Convert to fraction form
    194,712.45/292,232.70 = 76,468.65/x
  3. Step 3: Cross multiply
    194,712.45x = 292,232.70 × 76,468.65
  4. Step 4: Simplify right side
    194,712.45x = 22,346,640,054.86
  5. Step 5: Solve for x
    x = 22,346,640,054.86/194,712.45
  6. Step 6: Final answer
    x = 114,767.39

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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.