Home / 131,758.92-181,655.73-83,994.84

Finding the Fourth Proportional to 131,758.92, 181,655.73 and 83,994.84

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Solution

The fourth proportional to 131,758.92, 181,655.73 and 83,994.84 is: 115,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,758.92 : 181,655.73 = 83,994.84 : x
  2. Step 2: Convert to fraction form
    131,758.92/181,655.73 = 83,994.84/x
  3. Step 3: Cross multiply
    131,758.92x = 181,655.73 × 83,994.84
  4. Step 4: Simplify right side
    131,758.92x = 15,258,143,976.43
  5. Step 5: Solve for x
    x = 15,258,143,976.43/131,758.92
  6. Step 6: Final answer
    x = 115,803.50

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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.