Home / 160,856.13-222,007.89-89,259.22

Finding the Fourth Proportional to 160,856.13, 222,007.89 and 89,259.22

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Solution

The fourth proportional to 160,856.13, 222,007.89 and 89,259.22 is: 123,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,856.13 : 222,007.89 = 89,259.22 : x
  2. Step 2: Convert to fraction form
    160,856.13/222,007.89 = 89,259.22/x
  3. Step 3: Cross multiply
    160,856.13x = 222,007.89 × 89,259.22
  4. Step 4: Simplify right side
    160,856.13x = 19,816,251,095.25
  5. Step 5: Solve for x
    x = 19,816,251,095.25/160,856.13
  6. Step 6: Final answer
    x = 123,192.39

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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.