Home / 346,429.20-519,716.70-109,795.80

Finding the Fourth Proportional to 346,429.20, 519,716.70 and 109,795.80

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Solution

The fourth proportional to 346,429.20, 519,716.70 and 109,795.80 is: 164,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,429.20 : 519,716.70 = 109,795.80 : x
  2. Step 2: Convert to fraction form
    346,429.20/519,716.70 = 109,795.80/x
  3. Step 3: Cross multiply
    346,429.20x = 519,716.70 × 109,795.80
  4. Step 4: Simplify right side
    346,429.20x = 57,062,710,849.86
  5. Step 5: Solve for x
    x = 57,062,710,849.86/346,429.20
  6. Step 6: Final answer
    x = 164,716.80

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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.