Home / 139,645.17-192,486.33-94,308.66

Finding the Fourth Proportional to 139,645.17, 192,486.33 and 94,308.66

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Solution

The fourth proportional to 139,645.17, 192,486.33 and 94,308.66 is: 129,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,645.17 : 192,486.33 = 94,308.66 : x
  2. Step 2: Convert to fraction form
    139,645.17/192,486.33 = 94,308.66/x
  3. Step 3: Cross multiply
    139,645.17x = 192,486.33 × 94,308.66
  4. Step 4: Simplify right side
    139,645.17x = 18,153,127,850.62
  5. Step 5: Solve for x
    x = 18,153,127,850.62/139,645.17
  6. Step 6: Final answer
    x = 129,994.67

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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.