Home / 112,921.96-155,441.10-97,601.49

Finding the Fourth Proportional to 112,921.96, 155,441.10 and 97,601.49

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Solution

The fourth proportional to 112,921.96, 155,441.10 and 97,601.49 is: 134,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.96 : 155,441.10 = 97,601.49 : x
  2. Step 2: Convert to fraction form
    112,921.96/155,441.10 = 97,601.49/x
  3. Step 3: Cross multiply
    112,921.96x = 155,441.10 × 97,601.49
  4. Step 4: Simplify right side
    112,921.96x = 15,171,282,967.24
  5. Step 5: Solve for x
    x = 15,171,282,967.24/112,921.96
  6. Step 6: Final answer
    x = 134,351.93

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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.