Home / 150,653.76-207,895.15-82,669.02

Finding the Fourth Proportional to 150,653.76, 207,895.15 and 82,669.02

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Solution

The fourth proportional to 150,653.76, 207,895.15 and 82,669.02 is: 114,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,653.76 : 207,895.15 = 82,669.02 : x
  2. Step 2: Convert to fraction form
    150,653.76/207,895.15 = 82,669.02/x
  3. Step 3: Cross multiply
    150,653.76x = 207,895.15 × 82,669.02
  4. Step 4: Simplify right side
    150,653.76x = 17,186,488,313.25
  5. Step 5: Solve for x
    x = 17,186,488,313.25/150,653.76
  6. Step 6: Final answer
    x = 114,079.39

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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.