Home / 133,194.69-183,629.57-129,066.93

Finding the Fourth Proportional to 133,194.69, 183,629.57 and 129,066.93

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Solution

The fourth proportional to 133,194.69, 183,629.57 and 129,066.93 is: 177,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,194.69 : 183,629.57 = 129,066.93 : x
  2. Step 2: Convert to fraction form
    133,194.69/183,629.57 = 129,066.93/x
  3. Step 3: Cross multiply
    133,194.69x = 183,629.57 × 129,066.93
  4. Step 4: Simplify right side
    133,194.69x = 23,700,504,211.79
  5. Step 5: Solve for x
    x = 23,700,504,211.79/133,194.69
  6. Step 6: Final answer
    x = 177,938.81

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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.