Home / 131,444.92-181,205.18-93,653.56

Finding the Fourth Proportional to 131,444.92, 181,205.18 and 93,653.56

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Solution

The fourth proportional to 131,444.92, 181,205.18 and 93,653.56 is: 129,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,444.92 : 181,205.18 = 93,653.56 : x
  2. Step 2: Convert to fraction form
    131,444.92/181,205.18 = 93,653.56/x
  3. Step 3: Cross multiply
    131,444.92x = 181,205.18 × 93,653.56
  4. Step 4: Simplify right side
    131,444.92x = 16,970,510,197.44
  5. Step 5: Solve for x
    x = 16,970,510,197.44/131,444.92
  6. Step 6: Final answer
    x = 129,107.39

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1.5x scale

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.