Home / 136,116.46-204,174.69-42,629.50

Finding the Fourth Proportional to 136,116.46, 204,174.69 and 42,629.50

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Solution

The fourth proportional to 136,116.46, 204,174.69 and 42,629.50 is: 63,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,116.46 : 204,174.69 = 42,629.50 : x
  2. Step 2: Convert to fraction form
    136,116.46/204,174.69 = 42,629.50/x
  3. Step 3: Cross multiply
    136,116.46x = 204,174.69 × 42,629.50
  4. Step 4: Simplify right side
    136,116.46x = 8,703,864,947.36
  5. Step 5: Solve for x
    x = 8,703,864,947.36/136,116.46
  6. Step 6: Final answer
    x = 63,944.25

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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.