Home / 217,107.36-299,667.60-132,223.68

Finding the Fourth Proportional to 217,107.36, 299,667.60 and 132,223.68

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Solution

The fourth proportional to 217,107.36, 299,667.60 and 132,223.68 is: 182,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,107.36 : 299,667.60 = 132,223.68 : x
  2. Step 2: Convert to fraction form
    217,107.36/299,667.60 = 132,223.68/x
  3. Step 3: Cross multiply
    217,107.36x = 299,667.60 × 132,223.68
  4. Step 4: Simplify right side
    217,107.36x = 39,623,152,848.77
  5. Step 5: Solve for x
    x = 39,623,152,848.77/217,107.36
  6. Step 6: Final answer
    x = 182,504.88

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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.