Home / 161,284.32-222,572.16-89,662.08

Finding the Fourth Proportional to 161,284.32, 222,572.16 and 89,662.08

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Solution

The fourth proportional to 161,284.32, 222,572.16 and 89,662.08 is: 123,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,284.32 : 222,572.16 = 89,662.08 : x
  2. Step 2: Convert to fraction form
    161,284.32/222,572.16 = 89,662.08/x
  3. Step 3: Cross multiply
    161,284.32x = 222,572.16 × 89,662.08
  4. Step 4: Simplify right side
    161,284.32x = 19,956,282,815.69
  5. Step 5: Solve for x
    x = 19,956,282,815.69/161,284.32
  6. Step 6: Final answer
    x = 123,733.56

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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.