Home / 187,621.92-258,918.32-101,580.89

Finding the Fourth Proportional to 187,621.92, 258,918.32 and 101,580.89

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Solution

The fourth proportional to 187,621.92, 258,918.32 and 101,580.89 is: 140,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,621.92 : 258,918.32 = 101,580.89 : x
  2. Step 2: Convert to fraction form
    187,621.92/258,918.32 = 101,580.89/x
  3. Step 3: Cross multiply
    187,621.92x = 258,918.32 × 101,580.89
  4. Step 4: Simplify right side
    187,621.92x = 26,301,152,342.27
  5. Step 5: Solve for x
    x = 26,301,152,342.27/187,621.92
  6. Step 6: Final answer
    x = 140,181.66

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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.