Home / 147,700.36-203,825.46-80,632.36

Finding the Fourth Proportional to 147,700.36, 203,825.46 and 80,632.36

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Solution

The fourth proportional to 147,700.36, 203,825.46 and 80,632.36 is: 111,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,700.36 : 203,825.46 = 80,632.36 : x
  2. Step 2: Convert to fraction form
    147,700.36/203,825.46 = 80,632.36/x
  3. Step 3: Cross multiply
    147,700.36x = 203,825.46 × 80,632.36
  4. Step 4: Simplify right side
    147,700.36x = 16,434,927,867.89
  5. Step 5: Solve for x
    x = 16,434,927,867.89/147,700.36
  6. Step 6: Final answer
    x = 111,272.09

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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.