Home / 227,821.45-314,390.32-124,454.40

Finding the Fourth Proportional to 227,821.45, 314,390.32 and 124,454.40

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Solution

The fourth proportional to 227,821.45, 314,390.32 and 124,454.40 is: 171,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,821.45 : 314,390.32 = 124,454.40 : x
  2. Step 2: Convert to fraction form
    227,821.45/314,390.32 = 124,454.40/x
  3. Step 3: Cross multiply
    227,821.45x = 314,390.32 × 124,454.40
  4. Step 4: Simplify right side
    227,821.45x = 39,127,258,641.41
  5. Step 5: Solve for x
    x = 39,127,258,641.41/227,821.45
  6. Step 6: Final answer
    x = 171,745.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.