Home / 150,664.50-207,917.01-83,596.50

Finding the Fourth Proportional to 150,664.50, 207,917.01 and 83,596.50

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Solution

The fourth proportional to 150,664.50, 207,917.01 and 83,596.50 is: 115,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,664.50 : 207,917.01 = 83,596.50 : x
  2. Step 2: Convert to fraction form
    150,664.50/207,917.01 = 83,596.50/x
  3. Step 3: Cross multiply
    150,664.50x = 207,917.01 × 83,596.50
  4. Step 4: Simplify right side
    150,664.50x = 17,381,134,326.47
  5. Step 5: Solve for x
    x = 17,381,134,326.47/150,664.50
  6. Step 6: Final answer
    x = 115,363.17

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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.