Home / 194,158.22-291,350.52-81,831.47

Finding the Fourth Proportional to 194,158.22, 291,350.52 and 81,831.47

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Solution

The fourth proportional to 194,158.22, 291,350.52 and 81,831.47 is: 122,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,158.22 : 291,350.52 = 81,831.47 : x
  2. Step 2: Convert to fraction form
    194,158.22/291,350.52 = 81,831.47/x
  3. Step 3: Cross multiply
    194,158.22x = 291,350.52 × 81,831.47
  4. Step 4: Simplify right side
    194,158.22x = 23,841,639,880.11
  5. Step 5: Solve for x
    x = 23,841,639,880.11/194,158.22
  6. Step 6: Final answer
    x = 122,794.91

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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.