Home / 403,923.52-557,381.68-234,168.58

Finding the Fourth Proportional to 403,923.52, 557,381.68 and 234,168.58

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Solution

The fourth proportional to 403,923.52, 557,381.68 and 234,168.58 is: 323,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,923.52 : 557,381.68 = 234,168.58 : x
  2. Step 2: Convert to fraction form
    403,923.52/557,381.68 = 234,168.58/x
  3. Step 3: Cross multiply
    403,923.52x = 557,381.68 × 234,168.58
  4. Step 4: Simplify right side
    403,923.52x = 130,521,276,523.61
  5. Step 5: Solve for x
    x = 130,521,276,523.61/403,923.52
  6. Step 6: Final answer
    x = 323,133.64

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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.