Home / 161,112.28-222,325.38-89,490.52

Finding the Fourth Proportional to 161,112.28, 222,325.38 and 89,490.52

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Solution

The fourth proportional to 161,112.28, 222,325.38 and 89,490.52 is: 123,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,112.28 : 222,325.38 = 89,490.52 : x
  2. Step 2: Convert to fraction form
    161,112.28/222,325.38 = 89,490.52/x
  3. Step 3: Cross multiply
    161,112.28x = 222,325.38 × 89,490.52
  4. Step 4: Simplify right side
    161,112.28x = 19,896,013,865.40
  5. Step 5: Solve for x
    x = 19,896,013,865.40/161,112.28
  6. Step 6: Final answer
    x = 123,491.60

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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.