Home / 187,831.78-281,764.08-47,590.41

Finding the Fourth Proportional to 187,831.78, 281,764.08 and 47,590.41

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Solution

The fourth proportional to 187,831.78, 281,764.08 and 47,590.41 is: 71,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.78 : 281,764.08 = 47,590.41 : x
  2. Step 2: Convert to fraction form
    187,831.78/281,764.08 = 47,590.41/x
  3. Step 3: Cross multiply
    187,831.78x = 281,764.08 × 47,590.41
  4. Step 4: Simplify right side
    187,831.78x = 13,409,266,855.39
  5. Step 5: Solve for x
    x = 13,409,266,855.39/187,831.78
  6. Step 6: Final answer
    x = 71,389.77

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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.