Home / 291,165.11-401,703.85-168,590.58

Finding the Fourth Proportional to 291,165.11, 401,703.85 and 168,590.58

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Solution

The fourth proportional to 291,165.11, 401,703.85 and 168,590.58 is: 232,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,165.11 : 401,703.85 = 168,590.58 : x
  2. Step 2: Convert to fraction form
    291,165.11/401,703.85 = 168,590.58/x
  3. Step 3: Cross multiply
    291,165.11x = 401,703.85 × 168,590.58
  4. Step 4: Simplify right side
    291,165.11x = 67,723,485,905.12
  5. Step 5: Solve for x
    x = 67,723,485,905.12/291,165.11
  6. Step 6: Final answer
    x = 232,594.79

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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.