Home / 116,387.07-160,614.32-66,086.07

Finding the Fourth Proportional to 116,387.07, 160,614.32 and 66,086.07

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Solution

The fourth proportional to 116,387.07, 160,614.32 and 66,086.07 is: 91,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,387.07 : 160,614.32 = 66,086.07 : x
  2. Step 2: Convert to fraction form
    116,387.07/160,614.32 = 66,086.07/x
  3. Step 3: Cross multiply
    116,387.07x = 160,614.32 × 66,086.07
  4. Step 4: Simplify right side
    116,387.07x = 10,614,369,194.52
  5. Step 5: Solve for x
    x = 10,614,369,194.52/116,387.07
  6. Step 6: Final answer
    x = 91,198.87

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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.