Home / 186,840.74-280,377.75-136,145.54

Finding the Fourth Proportional to 186,840.74, 280,377.75 and 136,145.54

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Solution

The fourth proportional to 186,840.74, 280,377.75 and 136,145.54 is: 204,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,840.74 : 280,377.75 = 136,145.54 : x
  2. Step 2: Convert to fraction form
    186,840.74/280,377.75 = 136,145.54/x
  3. Step 3: Cross multiply
    186,840.74x = 280,377.75 × 136,145.54
  4. Step 4: Simplify right side
    186,840.74x = 38,172,180,177.74
  5. Step 5: Solve for x
    x = 38,172,180,177.74/186,840.74
  6. Step 6: Final answer
    x = 204,303.30

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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.