Home / 196,220.40-270,784.68-111,337.24

Finding the Fourth Proportional to 196,220.40, 270,784.68 and 111,337.24

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Solution

The fourth proportional to 196,220.40, 270,784.68 and 111,337.24 is: 153,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,220.40 : 270,784.68 = 111,337.24 : x
  2. Step 2: Convert to fraction form
    196,220.40/270,784.68 = 111,337.24/x
  3. Step 3: Cross multiply
    196,220.40x = 270,784.68 × 111,337.24
  4. Step 4: Simplify right side
    196,220.40x = 30,148,418,905.48
  5. Step 5: Solve for x
    x = 30,148,418,905.48/196,220.40
  6. Step 6: Final answer
    x = 153,645.69

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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.