Home / 187,831.26-281,759.85-69,499.98

Finding the Fourth Proportional to 187,831.26, 281,759.85 and 69,499.98

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Solution

The fourth proportional to 187,831.26, 281,759.85 and 69,499.98 is: 104,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.26 : 281,759.85 = 69,499.98 : x
  2. Step 2: Convert to fraction form
    187,831.26/281,759.85 = 69,499.98/x
  3. Step 3: Cross multiply
    187,831.26x = 281,759.85 × 69,499.98
  4. Step 4: Simplify right side
    187,831.26x = 19,582,303,939.80
  5. Step 5: Solve for x
    x = 19,582,303,939.80/187,831.26
  6. Step 6: Final answer
    x = 104,254.77

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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.