Home / 346,470.30-519,985.32-146,930.69

Finding the Fourth Proportional to 346,470.30, 519,985.32 and 146,930.69

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Solution

The fourth proportional to 346,470.30, 519,985.32 and 146,930.69 is: 220,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,470.30 : 519,985.32 = 146,930.69 : x
  2. Step 2: Convert to fraction form
    346,470.30/519,985.32 = 146,930.69/x
  3. Step 3: Cross multiply
    346,470.30x = 519,985.32 × 146,930.69
  4. Step 4: Simplify right side
    346,470.30x = 76,401,802,606.44
  5. Step 5: Solve for x
    x = 76,401,802,606.44/346,470.30
  6. Step 6: Final answer
    x = 220,514.72

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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.