Home / 197,458.22-272,208.92-140,771.18

Finding the Fourth Proportional to 197,458.22, 272,208.92 and 140,771.18

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Solution

The fourth proportional to 197,458.22, 272,208.92 and 140,771.18 is: 194,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,458.22 : 272,208.92 = 140,771.18 : x
  2. Step 2: Convert to fraction form
    197,458.22/272,208.92 = 140,771.18/x
  3. Step 3: Cross multiply
    197,458.22x = 272,208.92 × 140,771.18
  4. Step 4: Simplify right side
    197,458.22x = 38,319,170,874.93
  5. Step 5: Solve for x
    x = 38,319,170,874.93/197,458.22
  6. Step 6: Final answer
    x = 194,062.17

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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.