Home / 109,767.27-151,423.36-73,470.23

Finding the Fourth Proportional to 109,767.27, 151,423.36 and 73,470.23

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Solution

The fourth proportional to 109,767.27, 151,423.36 and 73,470.23 is: 101,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,767.27 : 151,423.36 = 73,470.23 : x
  2. Step 2: Convert to fraction form
    109,767.27/151,423.36 = 73,470.23/x
  3. Step 3: Cross multiply
    109,767.27x = 151,423.36 × 73,470.23
  4. Step 4: Simplify right side
    109,767.27x = 11,125,109,287.06
  5. Step 5: Solve for x
    x = 11,125,109,287.06/109,767.27
  6. Step 6: Final answer
    x = 101,351.79

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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.