Home / 136,949.12-205,423.14-43,462.16

Finding the Fourth Proportional to 136,949.12, 205,423.14 and 43,462.16

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Solution

The fourth proportional to 136,949.12, 205,423.14 and 43,462.16 is: 65,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,949.12 : 205,423.14 = 43,462.16 : x
  2. Step 2: Convert to fraction form
    136,949.12/205,423.14 = 43,462.16/x
  3. Step 3: Cross multiply
    136,949.12x = 205,423.14 × 43,462.16
  4. Step 4: Simplify right side
    136,949.12x = 8,928,133,378.38
  5. Step 5: Solve for x
    x = 8,928,133,378.38/136,949.12
  6. Step 6: Final answer
    x = 65,193.07

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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.