Home / 231,816.32-319,793.63-151,207.28

Finding the Fourth Proportional to 231,816.32, 319,793.63 and 151,207.28

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Solution

The fourth proportional to 231,816.32, 319,793.63 and 151,207.28 is: 208,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,816.32 : 319,793.63 = 151,207.28 : x
  2. Step 2: Convert to fraction form
    231,816.32/319,793.63 = 151,207.28/x
  3. Step 3: Cross multiply
    231,816.32x = 319,793.63 × 151,207.28
  4. Step 4: Simplify right side
    231,816.32x = 48,355,124,953.63
  5. Step 5: Solve for x
    x = 48,355,124,953.63/231,816.32
  6. Step 6: Final answer
    x = 208,592.41

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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.