Home / 346,612.36-519,812.68-146,929

Finding the Fourth Proportional to 346,612.36, 519,812.68 and 146,929

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Solution

The fourth proportional to 346,612.36, 519,812.68 and 146,929 is: 220,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,612.36 : 519,812.68 = 146,929 : x
  2. Step 2: Convert to fraction form
    346,612.36/519,812.68 = 146,929/x
  3. Step 3: Cross multiply
    346,612.36x = 519,812.68 × 146,929
  4. Step 4: Simplify right side
    346,612.36x = 76,375,557,259.72
  5. Step 5: Solve for x
    x = 76,375,557,259.72/346,612.36
  6. Step 6: Final answer
    x = 220,348.63

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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.