Home / 291,210.24-401,839.20-163,883.64

Finding the Fourth Proportional to 291,210.24, 401,839.20 and 163,883.64

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Solution

The fourth proportional to 291,210.24, 401,839.20 and 163,883.64 is: 226,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,210.24 : 401,839.20 = 163,883.64 : x
  2. Step 2: Convert to fraction form
    291,210.24/401,839.20 = 163,883.64/x
  3. Step 3: Cross multiply
    291,210.24x = 401,839.20 × 163,883.64
  4. Step 4: Simplify right side
    291,210.24x = 65,854,870,790.69
  5. Step 5: Solve for x
    x = 65,854,870,790.69/291,210.24
  6. Step 6: Final answer
    x = 226,142.02

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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.