Home / 351,181.13-526,771.64-148,809.11

Finding the Fourth Proportional to 351,181.13, 526,771.64 and 148,809.11

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Solution

The fourth proportional to 351,181.13, 526,771.64 and 148,809.11 is: 223,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,181.13 : 526,771.64 = 148,809.11 : x
  2. Step 2: Convert to fraction form
    351,181.13/526,771.64 = 148,809.11/x
  3. Step 3: Cross multiply
    351,181.13x = 526,771.64 × 148,809.11
  4. Step 4: Simplify right side
    351,181.13x = 78,388,415,543.74
  5. Step 5: Solve for x
    x = 78,388,415,543.74/351,181.13
  6. Step 6: Final answer
    x = 223,213.64

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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.