Home / 161,254.04-222,561.42-106,806.85

Finding the Fourth Proportional to 161,254.04, 222,561.42 and 106,806.85

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Solution

The fourth proportional to 161,254.04, 222,561.42 and 106,806.85 is: 147,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,254.04 : 222,561.42 = 106,806.85 : x
  2. Step 2: Convert to fraction form
    161,254.04/222,561.42 = 106,806.85/x
  3. Step 3: Cross multiply
    161,254.04x = 222,561.42 × 106,806.85
  4. Step 4: Simplify right side
    161,254.04x = 23,771,085,097.49
  5. Step 5: Solve for x
    x = 23,771,085,097.49/161,254.04
  6. Step 6: Final answer
    x = 147,413.89

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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.