Home / 355,831.74-491,059.47-194,683.11

Finding the Fourth Proportional to 355,831.74, 491,059.47 and 194,683.11

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Solution

The fourth proportional to 355,831.74, 491,059.47 and 194,683.11 is: 268,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,831.74 : 491,059.47 = 194,683.11 : x
  2. Step 2: Convert to fraction form
    355,831.74/491,059.47 = 194,683.11/x
  3. Step 3: Cross multiply
    355,831.74x = 491,059.47 × 194,683.11
  4. Step 4: Simplify right side
    355,831.74x = 95,600,984,814.55
  5. Step 5: Solve for x
    x = 95,600,984,814.55/355,831.74
  6. Step 6: Final answer
    x = 268,669.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.