Home / 150,653.81-207,901.68-82,671.92

Finding the Fourth Proportional to 150,653.81, 207,901.68 and 82,671.92

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Solution

The fourth proportional to 150,653.81, 207,901.68 and 82,671.92 is: 114,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,653.81 : 207,901.68 = 82,671.92 : x
  2. Step 2: Convert to fraction form
    150,653.81/207,901.68 = 82,671.92/x
  3. Step 3: Cross multiply
    150,653.81x = 207,901.68 × 82,671.92
  4. Step 4: Simplify right side
    150,653.81x = 17,187,630,017.32
  5. Step 5: Solve for x
    x = 17,187,630,017.32/150,653.81
  6. Step 6: Final answer
    x = 114,086.93

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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.