Home / 194,831.49-291,988.86-100,057.85

Finding the Fourth Proportional to 194,831.49, 291,988.86 and 100,057.85

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Solution

The fourth proportional to 194,831.49, 291,988.86 and 100,057.85 is: 149,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,831.49 : 291,988.86 = 100,057.85 : x
  2. Step 2: Convert to fraction form
    194,831.49/291,988.86 = 100,057.85/x
  3. Step 3: Cross multiply
    194,831.49x = 291,988.86 × 100,057.85
  4. Step 4: Simplify right side
    194,831.49x = 29,215,777,555.55
  5. Step 5: Solve for x
    x = 29,215,777,555.55/194,831.49
  6. Step 6: Final answer
    x = 149,954.08

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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.