Home / 281,831.10-422,641.70-113,294.70

Finding the Fourth Proportional to 281,831.10, 422,641.70 and 113,294.70

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Solution

The fourth proportional to 281,831.10, 422,641.70 and 113,294.70 is: 169,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,831.10 : 422,641.70 = 113,294.70 : x
  2. Step 2: Convert to fraction form
    281,831.10/422,641.70 = 113,294.70/x
  3. Step 3: Cross multiply
    281,831.10x = 422,641.70 × 113,294.70
  4. Step 4: Simplify right side
    281,831.10x = 47,883,064,467.37
  5. Step 5: Solve for x
    x = 47,883,064,467.37/281,831.10
  6. Step 6: Final answer
    x = 169,899.86

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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.