Home / 161,454.40-222,812.24-101,005.68

Finding the Fourth Proportional to 161,454.40, 222,812.24 and 101,005.68

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Solution

The fourth proportional to 161,454.40, 222,812.24 and 101,005.68 is: 139,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,454.40 : 222,812.24 = 101,005.68 : x
  2. Step 2: Convert to fraction form
    161,454.40/222,812.24 = 101,005.68/x
  3. Step 3: Cross multiply
    161,454.40x = 222,812.24 × 101,005.68
  4. Step 4: Simplify right side
    161,454.40x = 22,505,301,813.52
  5. Step 5: Solve for x
    x = 22,505,301,813.52/161,454.40
  6. Step 6: Final answer
    x = 139,391.07

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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.