Home / 291,185.46-401,769.45-163,814.58

Finding the Fourth Proportional to 291,185.46, 401,769.45 and 163,814.58

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Solution

The fourth proportional to 291,185.46, 401,769.45 and 163,814.58 is: 226,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,185.46 : 401,769.45 = 163,814.58 : x
  2. Step 2: Convert to fraction form
    291,185.46/401,769.45 = 163,814.58/x
  3. Step 3: Cross multiply
    291,185.46x = 401,769.45 × 163,814.58
  4. Step 4: Simplify right side
    291,185.46x = 65,815,693,708.58
  5. Step 5: Solve for x
    x = 65,815,693,708.58/291,185.46
  6. Step 6: Final answer
    x = 226,026.72

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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.