Home / 160,963.06-222,118.59-89,343.10

Finding the Fourth Proportional to 160,963.06, 222,118.59 and 89,343.10

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Solution

The fourth proportional to 160,963.06, 222,118.59 and 89,343.10 is: 123,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,963.06 : 222,118.59 = 89,343.10 : x
  2. Step 2: Convert to fraction form
    160,963.06/222,118.59 = 89,343.10/x
  3. Step 3: Cross multiply
    160,963.06x = 222,118.59 × 89,343.10
  4. Step 4: Simplify right side
    160,963.06x = 19,844,763,398.23
  5. Step 5: Solve for x
    x = 19,844,763,398.23/160,963.06
  6. Step 6: Final answer
    x = 123,287.69

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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.