Home / 161,564.06-222,813.24-101,140.20

Finding the Fourth Proportional to 161,564.06, 222,813.24 and 101,140.20

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Solution

The fourth proportional to 161,564.06, 222,813.24 and 101,140.20 is: 139,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,564.06 : 222,813.24 = 101,140.20 : x
  2. Step 2: Convert to fraction form
    161,564.06/222,813.24 = 101,140.20/x
  3. Step 3: Cross multiply
    161,564.06x = 222,813.24 × 101,140.20
  4. Step 4: Simplify right side
    161,564.06x = 22,535,375,656.25
  5. Step 5: Solve for x
    x = 22,535,375,656.25/161,564.06
  6. Step 6: Final answer
    x = 139,482.61

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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.