Home / 197,456.22-272,206.17-140,769.18

Finding the Fourth Proportional to 197,456.22, 272,206.17 and 140,769.18

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Solution

The fourth proportional to 197,456.22, 272,206.17 and 140,769.18 is: 194,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,456.22 : 272,206.17 = 140,769.18 : x
  2. Step 2: Convert to fraction form
    197,456.22/272,206.17 = 140,769.18/x
  3. Step 3: Cross multiply
    197,456.22x = 272,206.17 × 140,769.18
  4. Step 4: Simplify right side
    197,456.22x = 38,318,239,341.84
  5. Step 5: Solve for x
    x = 38,318,239,341.84/197,456.22
  6. Step 6: Final answer
    x = 194,059.42

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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.