Home / 139,466.02-192,465.07-75,803.82

Finding the Fourth Proportional to 139,466.02, 192,465.07 and 75,803.82

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Solution

The fourth proportional to 139,466.02, 192,465.07 and 75,803.82 is: 104,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,466.02 : 192,465.07 = 75,803.82 : x
  2. Step 2: Convert to fraction form
    139,466.02/192,465.07 = 75,803.82/x
  3. Step 3: Cross multiply
    139,466.02x = 192,465.07 × 75,803.82
  4. Step 4: Simplify right side
    139,466.02x = 14,589,587,522.57
  5. Step 5: Solve for x
    x = 14,589,587,522.57/139,466.02
  6. Step 6: Final answer
    x = 104,610.34

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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.