Home / 222,004.13-306,365.69-121,402.13

Finding the Fourth Proportional to 222,004.13, 306,365.69 and 121,402.13

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Solution

The fourth proportional to 222,004.13, 306,365.69 and 121,402.13 is: 167,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,004.13 : 306,365.69 = 121,402.13 : x
  2. Step 2: Convert to fraction form
    222,004.13/306,365.69 = 121,402.13/x
  3. Step 3: Cross multiply
    222,004.13x = 306,365.69 × 121,402.13
  4. Step 4: Simplify right side
    222,004.13x = 37,193,446,096.60
  5. Step 5: Solve for x
    x = 37,193,446,096.60/222,004.13
  6. Step 6: Final answer
    x = 167,534.93

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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.