Home / 346,777.34-520,184-110,138.54

Finding the Fourth Proportional to 346,777.34, 520,184 and 110,138.54

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Solution

The fourth proportional to 346,777.34, 520,184 and 110,138.54 is: 165,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,777.34 : 520,184 = 110,138.54 : x
  2. Step 2: Convert to fraction form
    346,777.34/520,184 = 110,138.54/x
  3. Step 3: Cross multiply
    346,777.34x = 520,184 × 110,138.54
  4. Step 4: Simplify right side
    346,777.34x = 57,292,306,291.36
  5. Step 5: Solve for x
    x = 57,292,306,291.36/346,777.34
  6. Step 6: Final answer
    x = 165,213.52

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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.