Home / 187,777.80-281,637.24-61,417.02

Finding the Fourth Proportional to 187,777.80, 281,637.24 and 61,417.02

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Solution

The fourth proportional to 187,777.80, 281,637.24 and 61,417.02 is: 92,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,777.80 : 281,637.24 = 61,417.02 : x
  2. Step 2: Convert to fraction form
    187,777.80/281,637.24 = 61,417.02/x
  3. Step 3: Cross multiply
    187,777.80x = 281,637.24 × 61,417.02
  4. Step 4: Simplify right side
    187,777.80x = 17,297,320,001.82
  5. Step 5: Solve for x
    x = 17,297,320,001.82/187,777.80
  6. Step 6: Final answer
    x = 92,115.89

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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.