Home / 161,516.23-222,890.16-89,896.28

Finding the Fourth Proportional to 161,516.23, 222,890.16 and 89,896.28

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Solution

The fourth proportional to 161,516.23, 222,890.16 and 89,896.28 is: 124,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,516.23 : 222,890.16 = 89,896.28 : x
  2. Step 2: Convert to fraction form
    161,516.23/222,890.16 = 89,896.28/x
  3. Step 3: Cross multiply
    161,516.23x = 222,890.16 × 89,896.28
  4. Step 4: Simplify right side
    161,516.23x = 20,036,996,232.60
  5. Step 5: Solve for x
    x = 20,036,996,232.60/161,516.23
  6. Step 6: Final answer
    x = 124,055.62

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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.