Home / 151,764.75-209,436.17-84,696.75

Finding the Fourth Proportional to 151,764.75, 209,436.17 and 84,696.75

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Solution

The fourth proportional to 151,764.75, 209,436.17 and 84,696.75 is: 116,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,764.75 : 209,436.17 = 84,696.75 : x
  2. Step 2: Convert to fraction form
    151,764.75/209,436.17 = 84,696.75/x
  3. Step 3: Cross multiply
    151,764.75x = 209,436.17 × 84,696.75
  4. Step 4: Simplify right side
    151,764.75x = 17,738,562,507.96
  5. Step 5: Solve for x
    x = 17,738,562,507.96/151,764.75
  6. Step 6: Final answer
    x = 116,881.97

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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.