Home / 276,632.55-381,780.30-161,904.36

Finding the Fourth Proportional to 276,632.55, 381,780.30 and 161,904.36

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Solution

The fourth proportional to 276,632.55, 381,780.30 and 161,904.36 is: 223,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,632.55 : 381,780.30 = 161,904.36 : x
  2. Step 2: Convert to fraction form
    276,632.55/381,780.30 = 161,904.36/x
  3. Step 3: Cross multiply
    276,632.55x = 381,780.30 × 161,904.36
  4. Step 4: Simplify right side
    276,632.55x = 61,811,895,132.11
  5. Step 5: Solve for x
    x = 61,811,895,132.11/276,632.55
  6. Step 6: Final answer
    x = 223,444.04

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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.