Home / 195,728.34-269,848.08-141,234.78

Finding the Fourth Proportional to 195,728.34, 269,848.08 and 141,234.78

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Solution

The fourth proportional to 195,728.34, 269,848.08 and 141,234.78 is: 194,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,728.34 : 269,848.08 = 141,234.78 : x
  2. Step 2: Convert to fraction form
    195,728.34/269,848.08 = 141,234.78/x
  3. Step 3: Cross multiply
    195,728.34x = 269,848.08 × 141,234.78
  4. Step 4: Simplify right side
    195,728.34x = 38,111,934,212.22
  5. Step 5: Solve for x
    x = 38,111,934,212.22/195,728.34
  6. Step 6: Final answer
    x = 194,718.53

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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.