Home / 291,060.64-401,659.86-163,736.20

Finding the Fourth Proportional to 291,060.64, 401,659.86 and 163,736.20

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Solution

The fourth proportional to 291,060.64, 401,659.86 and 163,736.20 is: 225,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,060.64 : 401,659.86 = 163,736.20 : x
  2. Step 2: Convert to fraction form
    291,060.64/401,659.86 = 163,736.20/x
  3. Step 3: Cross multiply
    291,060.64x = 401,659.86 × 163,736.20
  4. Step 4: Simplify right side
    291,060.64x = 65,766,259,168.93
  5. Step 5: Solve for x
    x = 65,766,259,168.93/291,060.64
  6. Step 6: Final answer
    x = 225,953.81

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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.