Home / 134,179.43-185,185.13-86,571.27

Finding the Fourth Proportional to 134,179.43, 185,185.13 and 86,571.27

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Solution

The fourth proportional to 134,179.43, 185,185.13 and 86,571.27 is: 119,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,179.43 : 185,185.13 = 86,571.27 : x
  2. Step 2: Convert to fraction form
    134,179.43/185,185.13 = 86,571.27/x
  3. Step 3: Cross multiply
    134,179.43x = 185,185.13 × 86,571.27
  4. Step 4: Simplify right side
    134,179.43x = 16,031,711,889.22
  5. Step 5: Solve for x
    x = 16,031,711,889.22/134,179.43
  6. Step 6: Final answer
    x = 119,479.65

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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.