Home / 160,993.72-222,160.19-89,368.08

Finding the Fourth Proportional to 160,993.72, 222,160.19 and 89,368.08

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Solution

The fourth proportional to 160,993.72, 222,160.19 and 89,368.08 is: 123,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,993.72 : 222,160.19 = 89,368.08 : x
  2. Step 2: Convert to fraction form
    160,993.72/222,160.19 = 89,368.08/x
  3. Step 3: Cross multiply
    160,993.72x = 222,160.19 × 89,368.08
  4. Step 4: Simplify right side
    160,993.72x = 19,854,029,185.89
  5. Step 5: Solve for x
    x = 19,854,029,185.89/160,993.72
  6. Step 6: Final answer
    x = 123,321.77

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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.