Home / 291,570.23-402,365.17-164,286.83

Finding the Fourth Proportional to 291,570.23, 402,365.17 and 164,286.83

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Solution

The fourth proportional to 291,570.23, 402,365.17 and 164,286.83 is: 226,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,570.23 : 402,365.17 = 164,286.83 : x
  2. Step 2: Convert to fraction form
    291,570.23/402,365.17 = 164,286.83/x
  3. Step 3: Cross multiply
    291,570.23x = 402,365.17 × 164,286.83
  4. Step 4: Simplify right side
    291,570.23x = 66,103,299,492.98
  5. Step 5: Solve for x
    x = 66,103,299,492.98/291,570.23
  6. Step 6: Final answer
    x = 226,714.84

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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.