Home / 364,331.12-502,783.40-203,168.86

Finding the Fourth Proportional to 364,331.12, 502,783.40 and 203,168.86

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Solution

The fourth proportional to 364,331.12, 502,783.40 and 203,168.86 is: 280,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,331.12 : 502,783.40 = 203,168.86 : x
  2. Step 2: Convert to fraction form
    364,331.12/502,783.40 = 203,168.86/x
  3. Step 3: Cross multiply
    364,331.12x = 502,783.40 × 203,168.86
  4. Step 4: Simplify right side
    364,331.12x = 102,149,929,455.89
  5. Step 5: Solve for x
    x = 102,149,929,455.89/364,331.12
  6. Step 6: Final answer
    x = 280,376.63

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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.