Home / 216,944.80-325,417.20-194,856.10

Finding the Fourth Proportional to 216,944.80, 325,417.20 and 194,856.10

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Solution

The fourth proportional to 216,944.80, 325,417.20 and 194,856.10 is: 292,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,944.80 : 325,417.20 = 194,856.10 : x
  2. Step 2: Convert to fraction form
    216,944.80/325,417.20 = 194,856.10/x
  3. Step 3: Cross multiply
    216,944.80x = 325,417.20 × 194,856.10
  4. Step 4: Simplify right side
    216,944.80x = 63,409,526,464.92
  5. Step 5: Solve for x
    x = 63,409,526,464.92/216,944.80
  6. Step 6: Final answer
    x = 292,284.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.