Home / 160,953.12-222,104.97-100,520.19

Finding the Fourth Proportional to 160,953.12, 222,104.97 and 100,520.19

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Solution

The fourth proportional to 160,953.12, 222,104.97 and 100,520.19 is: 138,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,953.12 : 222,104.97 = 100,520.19 : x
  2. Step 2: Convert to fraction form
    160,953.12/222,104.97 = 100,520.19/x
  3. Step 3: Cross multiply
    160,953.12x = 222,104.97 × 100,520.19
  4. Step 4: Simplify right side
    160,953.12x = 22,326,033,784.34
  5. Step 5: Solve for x
    x = 22,326,033,784.34/160,953.12
  6. Step 6: Final answer
    x = 138,711.41

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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.