Home / 115,359.39-159,201.99-67,628.07

Finding the Fourth Proportional to 115,359.39, 159,201.99 and 67,628.07

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Solution

The fourth proportional to 115,359.39, 159,201.99 and 67,628.07 is: 93,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,359.39 : 159,201.99 = 67,628.07 : x
  2. Step 2: Convert to fraction form
    115,359.39/159,201.99 = 67,628.07/x
  3. Step 3: Cross multiply
    115,359.39x = 159,201.99 × 67,628.07
  4. Step 4: Simplify right side
    115,359.39x = 10,766,523,323.86
  5. Step 5: Solve for x
    x = 10,766,523,323.86/115,359.39
  6. Step 6: Final answer
    x = 93,330.27

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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.