Home / 147,700.24-203,825.29-80,632.24

Finding the Fourth Proportional to 147,700.24, 203,825.29 and 80,632.24

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Solution

The fourth proportional to 147,700.24, 203,825.29 and 80,632.24 is: 111,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,700.24 : 203,825.29 = 80,632.24 : x
  2. Step 2: Convert to fraction form
    147,700.24/203,825.29 = 80,632.24/x
  3. Step 3: Cross multiply
    147,700.24x = 203,825.29 × 80,632.24
  4. Step 4: Simplify right side
    147,700.24x = 16,434,888,480.64
  5. Step 5: Solve for x
    x = 16,434,888,480.64/147,700.24
  6. Step 6: Final answer
    x = 111,271.92

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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.