Home / 150,810.74-208,121.15-82,834.66

Finding the Fourth Proportional to 150,810.74, 208,121.15 and 82,834.66

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Solution

The fourth proportional to 150,810.74, 208,121.15 and 82,834.66 is: 114,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,810.74 : 208,121.15 = 82,834.66 : x
  2. Step 2: Convert to fraction form
    150,810.74/208,121.15 = 82,834.66/x
  3. Step 3: Cross multiply
    150,810.74x = 208,121.15 × 82,834.66
  4. Step 4: Simplify right side
    150,810.74x = 17,239,644,385.84
  5. Step 5: Solve for x
    x = 17,239,644,385.84/150,810.74
  6. Step 6: Final answer
    x = 114,313.11

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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.