Home / 160,916.87-222,067.70-89,301.53

Finding the Fourth Proportional to 160,916.87, 222,067.70 and 89,301.53

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Solution

The fourth proportional to 160,916.87, 222,067.70 and 89,301.53 is: 123,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,916.87 : 222,067.70 = 89,301.53 : x
  2. Step 2: Convert to fraction form
    160,916.87/222,067.70 = 89,301.53/x
  3. Step 3: Cross multiply
    160,916.87x = 222,067.70 × 89,301.53
  4. Step 4: Simplify right side
    160,916.87x = 19,830,983,816.73
  5. Step 5: Solve for x
    x = 19,830,983,816.73/160,916.87
  6. Step 6: Final answer
    x = 123,237.45

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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.