Home / 313,669.32-470,239.51-136,042.59

Finding the Fourth Proportional to 313,669.32, 470,239.51 and 136,042.59

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Solution

The fourth proportional to 313,669.32, 470,239.51 and 136,042.59 is: 203,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,669.32 : 470,239.51 = 136,042.59 : x
  2. Step 2: Convert to fraction form
    313,669.32/470,239.51 = 136,042.59/x
  3. Step 3: Cross multiply
    313,669.32x = 470,239.51 × 136,042.59
  4. Step 4: Simplify right side
    313,669.32x = 63,972,600,860.73
  5. Step 5: Solve for x
    x = 63,972,600,860.73/313,669.32
  6. Step 6: Final answer
    x = 203,949.18

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1.5x scale

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.