Home / 160,942.88-222,097.84-89,322.40

Finding the Fourth Proportional to 160,942.88, 222,097.84 and 89,322.40

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Solution

The fourth proportional to 160,942.88, 222,097.84 and 89,322.40 is: 123,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,942.88 : 222,097.84 = 89,322.40 : x
  2. Step 2: Convert to fraction form
    160,942.88/222,097.84 = 89,322.40/x
  3. Step 3: Cross multiply
    160,942.88x = 222,097.84 × 89,322.40
  4. Step 4: Simplify right side
    160,942.88x = 19,838,312,103.62
  5. Step 5: Solve for x
    x = 19,838,312,103.62/160,942.88
  6. Step 6: Final answer
    x = 123,263.06

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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.