Home / 346,575.17-519,858.68-109,919.90

Finding the Fourth Proportional to 346,575.17, 519,858.68 and 109,919.90

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Solution

The fourth proportional to 346,575.17, 519,858.68 and 109,919.90 is: 164,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,575.17 : 519,858.68 = 109,919.90 : x
  2. Step 2: Convert to fraction form
    346,575.17/519,858.68 = 109,919.90/x
  3. Step 3: Cross multiply
    346,575.17x = 519,858.68 × 109,919.90
  4. Step 4: Simplify right side
    346,575.17x = 57,142,814,869.78
  5. Step 5: Solve for x
    x = 57,142,814,869.78/346,575.17
  6. Step 6: Final answer
    x = 164,878.56

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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.