Home / 217,095.56-325,640.39-97,120.79

Finding the Fourth Proportional to 217,095.56, 325,640.39 and 97,120.79

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Solution

The fourth proportional to 217,095.56, 325,640.39 and 97,120.79 is: 145,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,095.56 : 325,640.39 = 97,120.79 : x
  2. Step 2: Convert to fraction form
    217,095.56/325,640.39 = 97,120.79/x
  3. Step 3: Cross multiply
    217,095.56x = 325,640.39 × 97,120.79
  4. Step 4: Simplify right side
    217,095.56x = 31,626,450,304.51
  5. Step 5: Solve for x
    x = 31,626,450,304.51/217,095.56
  6. Step 6: Final answer
    x = 145,679.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.