Home / 139,694.48-193,004.28-97,441.76

Finding the Fourth Proportional to 139,694.48, 193,004.28 and 97,441.76

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Solution

The fourth proportional to 139,694.48, 193,004.28 and 97,441.76 is: 134,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,694.48 : 193,004.28 = 97,441.76 : x
  2. Step 2: Convert to fraction form
    139,694.48/193,004.28 = 97,441.76/x
  3. Step 3: Cross multiply
    139,694.48x = 193,004.28 × 97,441.76
  4. Step 4: Simplify right side
    139,694.48x = 18,806,676,730.73
  5. Step 5: Solve for x
    x = 18,806,676,730.73/139,694.48
  6. Step 6: Final answer
    x = 134,627.20

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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.