Home / 187,559.16-281,339.19-47,317.78

Finding the Fourth Proportional to 187,559.16, 281,339.19 and 47,317.78

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Solution

The fourth proportional to 187,559.16, 281,339.19 and 47,317.78 is: 70,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,559.16 : 281,339.19 = 47,317.78 : x
  2. Step 2: Convert to fraction form
    187,559.16/281,339.19 = 47,317.78/x
  3. Step 3: Cross multiply
    187,559.16x = 281,339.19 × 47,317.78
  4. Step 4: Simplify right side
    187,559.16x = 13,312,346,249.47
  5. Step 5: Solve for x
    x = 13,312,346,249.47/187,559.16
  6. Step 6: Final answer
    x = 70,976.79

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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.