Home / 186,189.07-256,933.34-105,614.86

Finding the Fourth Proportional to 186,189.07, 256,933.34 and 105,614.86

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Solution

The fourth proportional to 186,189.07, 256,933.34 and 105,614.86 is: 145,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,189.07 : 256,933.34 = 105,614.86 : x
  2. Step 2: Convert to fraction form
    186,189.07/256,933.34 = 105,614.86/x
  3. Step 3: Cross multiply
    186,189.07x = 256,933.34 × 105,614.86
  4. Step 4: Simplify right side
    186,189.07x = 27,135,979,318.64
  5. Step 5: Solve for x
    x = 27,135,979,318.64/186,189.07
  6. Step 6: Final answer
    x = 145,744.21

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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.