Home / 215,263.84-323,095.28-108,722.62

Finding the Fourth Proportional to 215,263.84, 323,095.28 and 108,722.62

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Solution

The fourth proportional to 215,263.84, 323,095.28 and 108,722.62 is: 163,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,263.84 : 323,095.28 = 108,722.62 : x
  2. Step 2: Convert to fraction form
    215,263.84/323,095.28 = 108,722.62/x
  3. Step 3: Cross multiply
    215,263.84x = 323,095.28 × 108,722.62
  4. Step 4: Simplify right side
    215,263.84x = 35,127,763,192.14
  5. Step 5: Solve for x
    x = 35,127,763,192.14/215,263.84
  6. Step 6: Final answer
    x = 163,184.69

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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.