Home / 135,953.27-187,612.98-75,523.31

Finding the Fourth Proportional to 135,953.27, 187,612.98 and 75,523.31

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Solution

The fourth proportional to 135,953.27, 187,612.98 and 75,523.31 is: 104,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,953.27 : 187,612.98 = 75,523.31 : x
  2. Step 2: Convert to fraction form
    135,953.27/187,612.98 = 75,523.31/x
  3. Step 3: Cross multiply
    135,953.27x = 187,612.98 × 75,523.31
  4. Step 4: Simplify right side
    135,953.27x = 14,169,153,248.56
  5. Step 5: Solve for x
    x = 14,169,153,248.56/135,953.27
  6. Step 6: Final answer
    x = 104,220.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.