Home / 383,882.25-529,756.01-211,810.92

Finding the Fourth Proportional to 383,882.25, 529,756.01 and 211,810.92

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Solution

The fourth proportional to 383,882.25, 529,756.01 and 211,810.92 is: 292,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,882.25 : 529,756.01 = 211,810.92 : x
  2. Step 2: Convert to fraction form
    383,882.25/529,756.01 = 211,810.92/x
  3. Step 3: Cross multiply
    383,882.25x = 529,756.01 × 211,810.92
  4. Step 4: Simplify right side
    383,882.25x = 112,208,110,369.74
  5. Step 5: Solve for x
    x = 112,208,110,369.74/383,882.25
  6. Step 6: Final answer
    x = 292,298.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.