Home / 207,528.45-310,589.01-127,616.61

Finding the Fourth Proportional to 207,528.45, 310,589.01 and 127,616.61

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Solution

The fourth proportional to 207,528.45, 310,589.01 and 127,616.61 is: 190,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,528.45 : 310,589.01 = 127,616.61 : x
  2. Step 2: Convert to fraction form
    207,528.45/310,589.01 = 127,616.61/x
  3. Step 3: Cross multiply
    207,528.45x = 310,589.01 × 127,616.61
  4. Step 4: Simplify right side
    207,528.45x = 39,636,317,365.24
  5. Step 5: Solve for x
    x = 39,636,317,365.24/207,528.45
  6. Step 6: Final answer
    x = 190,992.21

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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.