Home / 160,671.08-221,739.36-89,073.56

Finding the Fourth Proportional to 160,671.08, 221,739.36 and 89,073.56

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Solution

The fourth proportional to 160,671.08, 221,739.36 and 89,073.56 is: 122,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,671.08 : 221,739.36 = 89,073.56 : x
  2. Step 2: Convert to fraction form
    160,671.08/221,739.36 = 89,073.56/x
  3. Step 3: Cross multiply
    160,671.08x = 221,739.36 × 89,073.56
  4. Step 4: Simplify right side
    160,671.08x = 19,751,114,187.32
  5. Step 5: Solve for x
    x = 19,751,114,187.32/160,671.08
  6. Step 6: Final answer
    x = 122,928.87

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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.