Home / 160,900.08-222,031.44-89,275.56

Finding the Fourth Proportional to 160,900.08, 222,031.44 and 89,275.56

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Solution

The fourth proportional to 160,900.08, 222,031.44 and 89,275.56 is: 123,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,900.08 : 222,031.44 = 89,275.56 : x
  2. Step 2: Convert to fraction form
    160,900.08/222,031.44 = 89,275.56/x
  3. Step 3: Cross multiply
    160,900.08x = 222,031.44 × 89,275.56
  4. Step 4: Simplify right side
    160,900.08x = 19,821,981,143.61
  5. Step 5: Solve for x
    x = 19,821,981,143.61/160,900.08
  6. Step 6: Final answer
    x = 123,194.35

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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.