Home / 193,146.12-289,802.41-104,462.06

Finding the Fourth Proportional to 193,146.12, 289,802.41 and 104,462.06

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Solution

The fourth proportional to 193,146.12, 289,802.41 and 104,462.06 is: 156,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,146.12 : 289,802.41 = 104,462.06 : x
  2. Step 2: Convert to fraction form
    193,146.12/289,802.41 = 104,462.06/x
  3. Step 3: Cross multiply
    193,146.12x = 289,802.41 × 104,462.06
  4. Step 4: Simplify right side
    193,146.12x = 30,273,355,031.40
  5. Step 5: Solve for x
    x = 30,273,355,031.40/193,146.12
  6. Step 6: Final answer
    x = 156,738.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.