Home / 196,718.04-270,996.72-156,418.92

Finding the Fourth Proportional to 196,718.04, 270,996.72 and 156,418.92

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Solution

The fourth proportional to 196,718.04, 270,996.72 and 156,418.92 is: 215,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,718.04 : 270,996.72 = 156,418.92 : x
  2. Step 2: Convert to fraction form
    196,718.04/270,996.72 = 156,418.92/x
  3. Step 3: Cross multiply
    196,718.04x = 270,996.72 × 156,418.92
  4. Step 4: Simplify right side
    196,718.04x = 42,389,014,265.94
  5. Step 5: Solve for x
    x = 42,389,014,265.94/196,718.04
  6. Step 6: Final answer
    x = 215,481.07

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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.