Home / 159,590.07-220,172.49-91,582.47

Finding the Fourth Proportional to 159,590.07, 220,172.49 and 91,582.47

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Solution

The fourth proportional to 159,590.07, 220,172.49 and 91,582.47 is: 126,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,590.07 : 220,172.49 = 91,582.47 : x
  2. Step 2: Convert to fraction form
    159,590.07/220,172.49 = 91,582.47/x
  3. Step 3: Cross multiply
    159,590.07x = 220,172.49 × 91,582.47
  4. Step 4: Simplify right side
    159,590.07x = 20,163,940,460.25
  5. Step 5: Solve for x
    x = 20,163,940,460.25/159,590.07
  6. Step 6: Final answer
    x = 126,348.34

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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.