Home / 324,238.40-447,448.08-180,997.28

Finding the Fourth Proportional to 324,238.40, 447,448.08 and 180,997.28

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Solution

The fourth proportional to 324,238.40, 447,448.08 and 180,997.28 is: 249,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,238.40 : 447,448.08 = 180,997.28 : x
  2. Step 2: Convert to fraction form
    324,238.40/447,448.08 = 180,997.28/x
  3. Step 3: Cross multiply
    324,238.40x = 447,448.08 × 180,997.28
  4. Step 4: Simplify right side
    324,238.40x = 80,986,885,421.22
  5. Step 5: Solve for x
    x = 80,986,885,421.22/324,238.40
  6. Step 6: Final answer
    x = 249,775.74

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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.