Home / 291,629.52-402,441.12-164,297.52

Finding the Fourth Proportional to 291,629.52, 402,441.12 and 164,297.52

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Solution

The fourth proportional to 291,629.52, 402,441.12 and 164,297.52 is: 226,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,629.52 : 402,441.12 = 164,297.52 : x
  2. Step 2: Convert to fraction form
    291,629.52/402,441.12 = 164,297.52/x
  3. Step 3: Cross multiply
    291,629.52x = 402,441.12 × 164,297.52
  4. Step 4: Simplify right side
    291,629.52x = 66,120,077,962.02
  5. Step 5: Solve for x
    x = 66,120,077,962.02/291,629.52
  6. Step 6: Final answer
    x = 226,726.29

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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.