Home / 324,142.86-447,339.60-180,930.81

Finding the Fourth Proportional to 324,142.86, 447,339.60 and 180,930.81

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Solution

The fourth proportional to 324,142.86, 447,339.60 and 180,930.81 is: 249,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,142.86 : 447,339.60 = 180,930.81 : x
  2. Step 2: Convert to fraction form
    324,142.86/447,339.60 = 180,930.81/x
  3. Step 3: Cross multiply
    324,142.86x = 447,339.60 × 180,930.81
  4. Step 4: Simplify right side
    324,142.86x = 80,937,516,173.08
  5. Step 5: Solve for x
    x = 80,937,516,173.08/324,142.86
  6. Step 6: Final answer
    x = 249,697.05

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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.