Home / 160,910.10-222,056.30-89,290.31

Finding the Fourth Proportional to 160,910.10, 222,056.30 and 89,290.31

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Solution

The fourth proportional to 160,910.10, 222,056.30 and 89,290.31 is: 123,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,910.10 : 222,056.30 = 89,290.31 : x
  2. Step 2: Convert to fraction form
    160,910.10/222,056.30 = 89,290.31/x
  3. Step 3: Cross multiply
    160,910.10x = 222,056.30 × 89,290.31
  4. Step 4: Simplify right side
    160,910.10x = 19,827,474,977.40
  5. Step 5: Solve for x
    x = 19,827,474,977.40/160,910.10
  6. Step 6: Final answer
    x = 123,220.82

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1.5x scale

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.