Home / 151,731.20-227,596.80-53,235.20

Finding the Fourth Proportional to 151,731.20, 227,596.80 and 53,235.20

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Solution

The fourth proportional to 151,731.20, 227,596.80 and 53,235.20 is: 79,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,731.20 : 227,596.80 = 53,235.20 : x
  2. Step 2: Convert to fraction form
    151,731.20/227,596.80 = 53,235.20/x
  3. Step 3: Cross multiply
    151,731.20x = 227,596.80 × 53,235.20
  4. Step 4: Simplify right side
    151,731.20x = 12,116,161,167.36
  5. Step 5: Solve for x
    x = 12,116,161,167.36/151,731.20
  6. Step 6: Final answer
    x = 79,852.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.