Home / 195,415.30-269,739.65-114,866.72

Finding the Fourth Proportional to 195,415.30, 269,739.65 and 114,866.72

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Solution

The fourth proportional to 195,415.30, 269,739.65 and 114,866.72 is: 158,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,415.30 : 269,739.65 = 114,866.72 : x
  2. Step 2: Convert to fraction form
    195,415.30/269,739.65 = 114,866.72/x
  3. Step 3: Cross multiply
    195,415.30x = 269,739.65 × 114,866.72
  4. Step 4: Simplify right side
    195,415.30x = 30,984,108,849.45
  5. Step 5: Solve for x
    x = 30,984,108,849.45/195,415.30
  6. Step 6: Final answer
    x = 158,555.18

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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.