Home / 190,686.96-263,118.78-114,188.13

Finding the Fourth Proportional to 190,686.96, 263,118.78 and 114,188.13

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Solution

The fourth proportional to 190,686.96, 263,118.78 and 114,188.13 is: 157,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,686.96 : 263,118.78 = 114,188.13 : x
  2. Step 2: Convert to fraction form
    190,686.96/263,118.78 = 114,188.13/x
  3. Step 3: Cross multiply
    190,686.96x = 263,118.78 × 114,188.13
  4. Step 4: Simplify right side
    190,686.96x = 30,045,041,456.08
  5. Step 5: Solve for x
    x = 30,045,041,456.08/190,686.96
  6. Step 6: Final answer
    x = 157,562.12

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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.