Home / 155,342.62-233,011.55-69,893.12

Finding the Fourth Proportional to 155,342.62, 233,011.55 and 69,893.12

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Solution

The fourth proportional to 155,342.62, 233,011.55 and 69,893.12 is: 104,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,342.62 : 233,011.55 = 69,893.12 : x
  2. Step 2: Convert to fraction form
    155,342.62/233,011.55 = 69,893.12/x
  3. Step 3: Cross multiply
    155,342.62x = 233,011.55 × 69,893.12
  4. Step 4: Simplify right side
    155,342.62x = 16,285,904,225.54
  5. Step 5: Solve for x
    x = 16,285,904,225.54/155,342.62
  6. Step 6: Final answer
    x = 104,838.61

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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.