Home / 187,698.11-281,574.61-54,561.06

Finding the Fourth Proportional to 187,698.11, 281,574.61 and 54,561.06

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Solution

The fourth proportional to 187,698.11, 281,574.61 and 54,561.06 is: 81,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,698.11 : 281,574.61 = 54,561.06 : x
  2. Step 2: Convert to fraction form
    187,698.11/281,574.61 = 54,561.06/x
  3. Step 3: Cross multiply
    187,698.11x = 281,574.61 × 54,561.06
  4. Step 4: Simplify right side
    187,698.11x = 15,363,009,054.28
  5. Step 5: Solve for x
    x = 15,363,009,054.28/187,698.11
  6. Step 6: Final answer
    x = 81,849.57

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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.