Home / 161,322.24-222,612-89,697.92

Finding the Fourth Proportional to 161,322.24, 222,612 and 89,697.92

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Solution

The fourth proportional to 161,322.24, 222,612 and 89,697.92 is: 123,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,322.24 : 222,612 = 89,697.92 : x
  2. Step 2: Convert to fraction form
    161,322.24/222,612 = 89,697.92/x
  3. Step 3: Cross multiply
    161,322.24x = 222,612 × 89,697.92
  4. Step 4: Simplify right side
    161,322.24x = 19,967,833,367.04
  5. Step 5: Solve for x
    x = 19,967,833,367.04/161,322.24
  6. Step 6: Final answer
    x = 123,776.07

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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.