Home / 324,150.12-447,352.47-180,931.64

Finding the Fourth Proportional to 324,150.12, 447,352.47 and 180,931.64

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Solution

The fourth proportional to 324,150.12, 447,352.47 and 180,931.64 is: 249,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,150.12 : 447,352.47 = 180,931.64 : x
  2. Step 2: Convert to fraction form
    324,150.12/447,352.47 = 180,931.64/x
  3. Step 3: Cross multiply
    324,150.12x = 447,352.47 × 180,931.64
  4. Step 4: Simplify right side
    324,150.12x = 80,940,213,818.39
  5. Step 5: Solve for x
    x = 80,940,213,818.39/324,150.12
  6. Step 6: Final answer
    x = 249,699.78

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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.