Home / 194,052.86-290,733-105,249.72

Finding the Fourth Proportional to 194,052.86, 290,733 and 105,249.72

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Solution

The fourth proportional to 194,052.86, 290,733 and 105,249.72 is: 157,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,052.86 : 290,733 = 105,249.72 : x
  2. Step 2: Convert to fraction form
    194,052.86/290,733 = 105,249.72/x
  3. Step 3: Cross multiply
    194,052.86x = 290,733 × 105,249.72
  4. Step 4: Simplify right side
    194,052.86x = 30,599,566,844.76
  5. Step 5: Solve for x
    x = 30,599,566,844.76/194,052.86
  6. Step 6: Final answer
    x = 157,686.76

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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.