Home / 346,778.34-520,185.50-110,139.54

Finding the Fourth Proportional to 346,778.34, 520,185.50 and 110,139.54

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Solution

The fourth proportional to 346,778.34, 520,185.50 and 110,139.54 is: 165,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,778.34 : 520,185.50 = 110,139.54 : x
  2. Step 2: Convert to fraction form
    346,778.34/520,185.50 = 110,139.54/x
  3. Step 3: Cross multiply
    346,778.34x = 520,185.50 × 110,139.54
  4. Step 4: Simplify right side
    346,778.34x = 57,292,991,684.67
  5. Step 5: Solve for x
    x = 57,292,991,684.67/346,778.34
  6. Step 6: Final answer
    x = 165,215.02

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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.