Home / 133,721.28-199,403.37-132,522.08

Finding the Fourth Proportional to 133,721.28, 199,403.37 and 132,522.08

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Solution

The fourth proportional to 133,721.28, 199,403.37 and 132,522.08 is: 197,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,721.28 : 199,403.37 = 132,522.08 : x
  2. Step 2: Convert to fraction form
    133,721.28/199,403.37 = 132,522.08/x
  3. Step 3: Cross multiply
    133,721.28x = 199,403.37 × 132,522.08
  4. Step 4: Simplify right side
    133,721.28x = 26,425,348,354.39
  5. Step 5: Solve for x
    x = 26,425,348,354.39/133,721.28
  6. Step 6: Final answer
    x = 197,615.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.