Home / 194,894.27-292,360.50-81,018.53

Finding the Fourth Proportional to 194,894.27, 292,360.50 and 81,018.53

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Solution

The fourth proportional to 194,894.27, 292,360.50 and 81,018.53 is: 121,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,894.27 : 292,360.50 = 81,018.53 : x
  2. Step 2: Convert to fraction form
    194,894.27/292,360.50 = 81,018.53/x
  3. Step 3: Cross multiply
    194,894.27x = 292,360.50 × 81,018.53
  4. Step 4: Simplify right side
    194,894.27x = 23,686,616,478.26
  5. Step 5: Solve for x
    x = 23,686,616,478.26/194,894.27
  6. Step 6: Final answer
    x = 121,535.73

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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.