Home / 196,207.40-270,752.90-106,781.48

Finding the Fourth Proportional to 196,207.40, 270,752.90 and 106,781.48

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Solution

The fourth proportional to 196,207.40, 270,752.90 and 106,781.48 is: 147,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,207.40 : 270,752.90 = 106,781.48 : x
  2. Step 2: Convert to fraction form
    196,207.40/270,752.90 = 106,781.48/x
  3. Step 3: Cross multiply
    196,207.40x = 270,752.90 × 106,781.48
  4. Step 4: Simplify right side
    196,207.40x = 28,911,395,376.29
  5. Step 5: Solve for x
    x = 28,911,395,376.29/196,207.40
  6. Step 6: Final answer
    x = 147,351.20

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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.