Home / 190,686.40-263,047.87-113,116.92

Finding the Fourth Proportional to 190,686.40, 263,047.87 and 113,116.92

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Solution

The fourth proportional to 190,686.40, 263,047.87 and 113,116.92 is: 156,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,686.40 : 263,047.87 = 113,116.92 : x
  2. Step 2: Convert to fraction form
    190,686.40/263,047.87 = 113,116.92/x
  3. Step 3: Cross multiply
    190,686.40x = 263,047.87 × 113,116.92
  4. Step 4: Simplify right side
    190,686.40x = 29,755,164,866.96
  5. Step 5: Solve for x
    x = 29,755,164,866.96/190,686.40
  6. Step 6: Final answer
    x = 156,042.41

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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.