Home / 155,882.88-233,858.96-72,731.52

Finding the Fourth Proportional to 155,882.88, 233,858.96 and 72,731.52

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Solution

The fourth proportional to 155,882.88, 233,858.96 and 72,731.52 is: 109,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,882.88 : 233,858.96 = 72,731.52 : x
  2. Step 2: Convert to fraction form
    155,882.88/233,858.96 = 72,731.52/x
  3. Step 3: Cross multiply
    155,882.88x = 233,858.96 × 72,731.52
  4. Step 4: Simplify right side
    155,882.88x = 17,008,917,626.42
  5. Step 5: Solve for x
    x = 17,008,917,626.42/155,882.88
  6. Step 6: Final answer
    x = 109,113.44

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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.