Home / 155,342.12-233,010.80-69,892.62

Finding the Fourth Proportional to 155,342.12, 233,010.80 and 69,892.62

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Solution

The fourth proportional to 155,342.12, 233,010.80 and 69,892.62 is: 104,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,342.12 : 233,010.80 = 69,892.62 : x
  2. Step 2: Convert to fraction form
    155,342.12/233,010.80 = 69,892.62/x
  3. Step 3: Cross multiply
    155,342.12x = 233,010.80 × 69,892.62
  4. Step 4: Simplify right side
    155,342.12x = 16,285,734,950.83
  5. Step 5: Solve for x
    x = 16,285,734,950.83/155,342.12
  6. Step 6: Final answer
    x = 104,837.86

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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.