Home / 160,976.45-222,148.37-100,582.13

Finding the Fourth Proportional to 160,976.45, 222,148.37 and 100,582.13

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Solution

The fourth proportional to 160,976.45, 222,148.37 and 100,582.13 is: 138,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,976.45 : 222,148.37 = 100,582.13 : x
  2. Step 2: Convert to fraction form
    160,976.45/222,148.37 = 100,582.13/x
  3. Step 3: Cross multiply
    160,976.45x = 222,148.37 × 100,582.13
  4. Step 4: Simplify right side
    160,976.45x = 22,344,154,616.98
  5. Step 5: Solve for x
    x = 22,344,154,616.98/160,976.45
  6. Step 6: Final answer
    x = 138,803.88

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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.