Home / 215,447.10-323,197.29-73,316.22

Finding the Fourth Proportional to 215,447.10, 323,197.29 and 73,316.22

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Solution

The fourth proportional to 215,447.10, 323,197.29 and 73,316.22 is: 109,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,447.10 : 323,197.29 = 73,316.22 : x
  2. Step 2: Convert to fraction form
    215,447.10/323,197.29 = 73,316.22/x
  3. Step 3: Cross multiply
    215,447.10x = 323,197.29 × 73,316.22
  4. Step 4: Simplify right side
    215,447.10x = 23,695,603,617.04
  5. Step 5: Solve for x
    x = 23,695,603,617.04/215,447.10
  6. Step 6: Final answer
    x = 109,983.40

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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.