Home / 346,403.10-519,620.85-109,764.30

Finding the Fourth Proportional to 346,403.10, 519,620.85 and 109,764.30

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Solution

The fourth proportional to 346,403.10, 519,620.85 and 109,764.30 is: 164,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,403.10 : 519,620.85 = 109,764.30 : x
  2. Step 2: Convert to fraction form
    346,403.10/519,620.85 = 109,764.30/x
  3. Step 3: Cross multiply
    346,403.10x = 519,620.85 × 109,764.30
  4. Step 4: Simplify right side
    346,403.10x = 57,035,818,865.66
  5. Step 5: Solve for x
    x = 57,035,818,865.66/346,403.10
  6. Step 6: Final answer
    x = 164,651.58

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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.