Home / 216,410.16-324,633.68-56,507.28

Finding the Fourth Proportional to 216,410.16, 324,633.68 and 56,507.28

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Solution

The fourth proportional to 216,410.16, 324,633.68 and 56,507.28 is: 84,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,410.16 : 324,633.68 = 56,507.28 : x
  2. Step 2: Convert to fraction form
    216,410.16/324,633.68 = 56,507.28/x
  3. Step 3: Cross multiply
    216,410.16x = 324,633.68 × 56,507.28
  4. Step 4: Simplify right side
    216,410.16x = 18,344,166,253.19
  5. Step 5: Solve for x
    x = 18,344,166,253.19/216,410.16
  6. Step 6: Final answer
    x = 84,765.73

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1.5x scale

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.