Home / 161,541.38-222,923.42-101,145.33

Finding the Fourth Proportional to 161,541.38, 222,923.42 and 101,145.33

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Solution

The fourth proportional to 161,541.38, 222,923.42 and 101,145.33 is: 139,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,541.38 : 222,923.42 = 101,145.33 : x
  2. Step 2: Convert to fraction form
    161,541.38/222,923.42 = 101,145.33/x
  3. Step 3: Cross multiply
    161,541.38x = 222,923.42 × 101,145.33
  4. Step 4: Simplify right side
    161,541.38x = 22,547,662,374.90
  5. Step 5: Solve for x
    x = 22,547,662,374.90/161,541.38
  6. Step 6: Final answer
    x = 139,578.25

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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.