Home / 194,860.08-292,309.32-80,984.40

Finding the Fourth Proportional to 194,860.08, 292,309.32 and 80,984.40

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Solution

The fourth proportional to 194,860.08, 292,309.32 and 80,984.40 is: 121,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,860.08 : 292,309.32 = 80,984.40 : x
  2. Step 2: Convert to fraction form
    194,860.08/292,309.32 = 80,984.40/x
  3. Step 3: Cross multiply
    194,860.08x = 292,309.32 × 80,984.40
  4. Step 4: Simplify right side
    194,860.08x = 23,672,494,894.61
  5. Step 5: Solve for x
    x = 23,672,494,894.61/194,860.08
  6. Step 6: Final answer
    x = 121,484.58

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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.