Home / 195,663.12-270,014.88-106,239.12

Finding the Fourth Proportional to 195,663.12, 270,014.88 and 106,239.12

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Solution

The fourth proportional to 195,663.12, 270,014.88 and 106,239.12 is: 146,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,663.12 : 270,014.88 = 106,239.12 : x
  2. Step 2: Convert to fraction form
    195,663.12/270,014.88 = 106,239.12/x
  3. Step 3: Cross multiply
    195,663.12x = 270,014.88 × 106,239.12
  4. Step 4: Simplify right side
    195,663.12x = 28,686,143,238.11
  5. Step 5: Solve for x
    x = 28,686,143,238.11/195,663.12
  6. Step 6: Final answer
    x = 146,609.86

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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.