Home / 178,603.79-267,831.77-75,977.60

Finding the Fourth Proportional to 178,603.79, 267,831.77 and 75,977.60

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Solution

The fourth proportional to 178,603.79, 267,831.77 and 75,977.60 is: 113,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,603.79 : 267,831.77 = 75,977.60 : x
  2. Step 2: Convert to fraction form
    178,603.79/267,831.77 = 75,977.60/x
  3. Step 3: Cross multiply
    178,603.79x = 267,831.77 × 75,977.60
  4. Step 4: Simplify right side
    178,603.79x = 20,349,213,369.31
  5. Step 5: Solve for x
    x = 20,349,213,369.31/178,603.79
  6. Step 6: Final answer
    x = 113,934.95

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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.