Home / 159,928.48-220,701.63-88,308.64

Finding the Fourth Proportional to 159,928.48, 220,701.63 and 88,308.64

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Solution

The fourth proportional to 159,928.48, 220,701.63 and 88,308.64 is: 121,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,928.48 : 220,701.63 = 88,308.64 : x
  2. Step 2: Convert to fraction form
    159,928.48/220,701.63 = 88,308.64/x
  3. Step 3: Cross multiply
    159,928.48x = 220,701.63 × 88,308.64
  4. Step 4: Simplify right side
    159,928.48x = 19,489,860,791.08
  5. Step 5: Solve for x
    x = 19,489,860,791.08/159,928.48
  6. Step 6: Final answer
    x = 121,866.10

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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.