Home / 147,742.24-203,885.04-80,674.24

Finding the Fourth Proportional to 147,742.24, 203,885.04 and 80,674.24

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Solution

The fourth proportional to 147,742.24, 203,885.04 and 80,674.24 is: 111,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,742.24 : 203,885.04 = 80,674.24 : x
  2. Step 2: Convert to fraction form
    147,742.24/203,885.04 = 80,674.24/x
  3. Step 3: Cross multiply
    147,742.24x = 203,885.04 × 80,674.24
  4. Step 4: Simplify right side
    147,742.24x = 16,448,270,649.37
  5. Step 5: Solve for x
    x = 16,448,270,649.37/147,742.24
  6. Step 6: Final answer
    x = 111,330.86

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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.