Home / 215,892.10-323,546.55-144,612.10

Finding the Fourth Proportional to 215,892.10, 323,546.55 and 144,612.10

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Solution

The fourth proportional to 215,892.10, 323,546.55 and 144,612.10 is: 216,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,892.10 : 323,546.55 = 144,612.10 : x
  2. Step 2: Convert to fraction form
    215,892.10/323,546.55 = 144,612.10/x
  3. Step 3: Cross multiply
    215,892.10x = 323,546.55 × 144,612.10
  4. Step 4: Simplify right side
    215,892.10x = 46,788,746,043.26
  5. Step 5: Solve for x
    x = 46,788,746,043.26/215,892.10
  6. Step 6: Final answer
    x = 216,722.83

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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.