Home / 340,917.31-470,444.20-187,947.14

Finding the Fourth Proportional to 340,917.31, 470,444.20 and 187,947.14

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Solution

The fourth proportional to 340,917.31, 470,444.20 and 187,947.14 is: 259,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,917.31 : 470,444.20 = 187,947.14 : x
  2. Step 2: Convert to fraction form
    340,917.31/470,444.20 = 187,947.14/x
  3. Step 3: Cross multiply
    340,917.31x = 470,444.20 × 187,947.14
  4. Step 4: Simplify right side
    340,917.31x = 88,418,640,154.70
  5. Step 5: Solve for x
    x = 88,418,640,154.70/340,917.31
  6. Step 6: Final answer
    x = 259,355.09

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1.5x scale

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.