Home / 160,909.08-222,043.86-89,284.56

Finding the Fourth Proportional to 160,909.08, 222,043.86 and 89,284.56

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Solution

The fourth proportional to 160,909.08, 222,043.86 and 89,284.56 is: 123,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,909.08 : 222,043.86 = 89,284.56 : x
  2. Step 2: Convert to fraction form
    160,909.08/222,043.86 = 89,284.56/x
  3. Step 3: Cross multiply
    160,909.08x = 222,043.86 × 89,284.56
  4. Step 4: Simplify right side
    160,909.08x = 19,825,088,340.80
  5. Step 5: Solve for x
    x = 19,825,088,340.80/160,909.08
  6. Step 6: Final answer
    x = 123,206.77

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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.