Home / 160,837.52-221,954.96-89,216.80

Finding the Fourth Proportional to 160,837.52, 221,954.96 and 89,216.80

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Solution

The fourth proportional to 160,837.52, 221,954.96 and 89,216.80 is: 123,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,837.52 : 221,954.96 = 89,216.80 : x
  2. Step 2: Convert to fraction form
    160,837.52/221,954.96 = 89,216.80/x
  3. Step 3: Cross multiply
    160,837.52x = 221,954.96 × 89,216.80
  4. Step 4: Simplify right side
    160,837.52x = 19,802,111,275.33
  5. Step 5: Solve for x
    x = 19,802,111,275.33/160,837.52
  6. Step 6: Final answer
    x = 123,118.73

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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.