Home / 215,931.08-323,887.26-73,789.04

Finding the Fourth Proportional to 215,931.08, 323,887.26 and 73,789.04

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Solution

The fourth proportional to 215,931.08, 323,887.26 and 73,789.04 is: 110,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,931.08 : 323,887.26 = 73,789.04 : x
  2. Step 2: Convert to fraction form
    215,931.08/323,887.26 = 73,789.04/x
  3. Step 3: Cross multiply
    215,931.08x = 323,887.26 × 73,789.04
  4. Step 4: Simplify right side
    215,931.08x = 23,899,329,983.63
  5. Step 5: Solve for x
    x = 23,899,329,983.63/215,931.08
  6. Step 6: Final answer
    x = 110,680.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.