Home / 160,880.25-222,014.78-89,260.10

Finding the Fourth Proportional to 160,880.25, 222,014.78 and 89,260.10

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Solution

The fourth proportional to 160,880.25, 222,014.78 and 89,260.10 is: 123,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,880.25 : 222,014.78 = 89,260.10 : x
  2. Step 2: Convert to fraction form
    160,880.25/222,014.78 = 89,260.10/x
  3. Step 3: Cross multiply
    160,880.25x = 222,014.78 × 89,260.10
  4. Step 4: Simplify right side
    160,880.25x = 19,817,061,464.28
  5. Step 5: Solve for x
    x = 19,817,061,464.28/160,880.25
  6. Step 6: Final answer
    x = 123,178.96

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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.