Home / 215,916.60-323,734.10-193,798.20

Finding the Fourth Proportional to 215,916.60, 323,734.10 and 193,798.20

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Solution

The fourth proportional to 215,916.60, 323,734.10 and 193,798.20 is: 290,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,916.60 : 323,734.10 = 193,798.20 : x
  2. Step 2: Convert to fraction form
    215,916.60/323,734.10 = 193,798.20/x
  3. Step 3: Cross multiply
    215,916.60x = 323,734.10 × 193,798.20
  4. Step 4: Simplify right side
    215,916.60x = 62,739,085,858.62
  5. Step 5: Solve for x
    x = 62,739,085,858.62/215,916.60
  6. Step 6: Final answer
    x = 290,570.92

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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.