Home / 346,377.20-519,614.40-109,695.20

Finding the Fourth Proportional to 346,377.20, 519,614.40 and 109,695.20

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Solution

The fourth proportional to 346,377.20, 519,614.40 and 109,695.20 is: 164,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,377.20 : 519,614.40 = 109,695.20 : x
  2. Step 2: Convert to fraction form
    346,377.20/519,614.40 = 109,695.20/x
  3. Step 3: Cross multiply
    346,377.20x = 519,614.40 × 109,695.20
  4. Step 4: Simplify right side
    346,377.20x = 56,999,205,530.88
  5. Step 5: Solve for x
    x = 56,999,205,530.88/346,377.20
  6. Step 6: Final answer
    x = 164,558.19

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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.