Home / 291,579.42-402,377.85-164,296.02

Finding the Fourth Proportional to 291,579.42, 402,377.85 and 164,296.02

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Solution

The fourth proportional to 291,579.42, 402,377.85 and 164,296.02 is: 226,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,579.42 : 402,377.85 = 164,296.02 : x
  2. Step 2: Convert to fraction form
    291,579.42/402,377.85 = 164,296.02/x
  3. Step 3: Cross multiply
    291,579.42x = 402,377.85 × 164,296.02
  4. Step 4: Simplify right side
    291,579.42x = 66,109,079,291.16
  5. Step 5: Solve for x
    x = 66,109,079,291.16/291,579.42
  6. Step 6: Final answer
    x = 226,727.52

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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.