Home / 193,341.85-290,026.61-80,908.86

Finding the Fourth Proportional to 193,341.85, 290,026.61 and 80,908.86

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Solution

The fourth proportional to 193,341.85, 290,026.61 and 80,908.86 is: 121,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,341.85 : 290,026.61 = 80,908.86 : x
  2. Step 2: Convert to fraction form
    193,341.85/290,026.61 = 80,908.86/x
  3. Step 3: Cross multiply
    193,341.85x = 290,026.61 × 80,908.86
  4. Step 4: Simplify right side
    193,341.85x = 23,465,722,384.76
  5. Step 5: Solve for x
    x = 23,465,722,384.76/193,341.85
  6. Step 6: Final answer
    x = 121,369.08

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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.