Home / 134,179.68-185,185.47-86,571.52

Finding the Fourth Proportional to 134,179.68, 185,185.47 and 86,571.52

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Solution

The fourth proportional to 134,179.68, 185,185.47 and 86,571.52 is: 119,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,179.68 : 185,185.47 = 86,571.52 : x
  2. Step 2: Convert to fraction form
    134,179.68/185,185.47 = 86,571.52/x
  3. Step 3: Cross multiply
    134,179.68x = 185,185.47 × 86,571.52
  4. Step 4: Simplify right side
    134,179.68x = 16,031,787,619.81
  5. Step 5: Solve for x
    x = 16,031,787,619.81/134,179.68
  6. Step 6: Final answer
    x = 119,480.00

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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.