Home / 160,055.64-220,876.33-88,435.15

Finding the Fourth Proportional to 160,055.64, 220,876.33 and 88,435.15

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Solution

The fourth proportional to 160,055.64, 220,876.33 and 88,435.15 is: 122,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,055.64 : 220,876.33 = 88,435.15 : x
  2. Step 2: Convert to fraction form
    160,055.64/220,876.33 = 88,435.15/x
  3. Step 3: Cross multiply
    160,055.64x = 220,876.33 × 88,435.15
  4. Step 4: Simplify right side
    160,055.64x = 19,533,229,828.44
  5. Step 5: Solve for x
    x = 19,533,229,828.44/160,055.64
  6. Step 6: Final answer
    x = 122,040.25

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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.