Home / 187,066.80-258,151.56-102,183.84

Finding the Fourth Proportional to 187,066.80, 258,151.56 and 102,183.84

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Solution

The fourth proportional to 187,066.80, 258,151.56 and 102,183.84 is: 141,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,066.80 : 258,151.56 = 102,183.84 : x
  2. Step 2: Convert to fraction form
    187,066.80/258,151.56 = 102,183.84/x
  3. Step 3: Cross multiply
    187,066.80x = 258,151.56 × 102,183.84
  4. Step 4: Simplify right side
    187,066.80x = 26,378,917,702.79
  5. Step 5: Solve for x
    x = 26,378,917,702.79/187,066.80
  6. Step 6: Final answer
    x = 141,013.36

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1.5x scale

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.