Home / 139,255.11-192,102.17-93,875.67

Finding the Fourth Proportional to 139,255.11, 192,102.17 and 93,875.67

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Solution

The fourth proportional to 139,255.11, 192,102.17 and 93,875.67 is: 129,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,255.11 : 192,102.17 = 93,875.67 : x
  2. Step 2: Convert to fraction form
    139,255.11/192,102.17 = 93,875.67/x
  3. Step 3: Cross multiply
    139,255.11x = 192,102.17 × 93,875.67
  4. Step 4: Simplify right side
    139,255.11x = 18,033,719,447.83
  5. Step 5: Solve for x
    x = 18,033,719,447.83/139,255.11
  6. Step 6: Final answer
    x = 129,501.31

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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.