Home / 194,781.16-292,302.96-76,438.54

Finding the Fourth Proportional to 194,781.16, 292,302.96 and 76,438.54

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Solution

The fourth proportional to 194,781.16, 292,302.96 and 76,438.54 is: 114,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,781.16 : 292,302.96 = 76,438.54 : x
  2. Step 2: Convert to fraction form
    194,781.16/292,302.96 = 76,438.54/x
  3. Step 3: Cross multiply
    194,781.16x = 292,302.96 × 76,438.54
  4. Step 4: Simplify right side
    194,781.16x = 22,343,211,500.08
  5. Step 5: Solve for x
    x = 22,343,211,500.08/194,781.16
  6. Step 6: Final answer
    x = 114,709.31

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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.