Home / 291,441.07-402,245.22-164,117.44

Finding the Fourth Proportional to 291,441.07, 402,245.22 and 164,117.44

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Solution

The fourth proportional to 291,441.07, 402,245.22 and 164,117.44 is: 226,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,441.07 : 402,245.22 = 164,117.44 : x
  2. Step 2: Convert to fraction form
    291,441.07/402,245.22 = 164,117.44/x
  3. Step 3: Cross multiply
    291,441.07x = 402,245.22 × 164,117.44
  4. Step 4: Simplify right side
    291,441.07x = 66,015,455,758.64
  5. Step 5: Solve for x
    x = 66,015,455,758.64/291,441.07
  6. Step 6: Final answer
    x = 226,513.91

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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.