Home / 346,587.20-519,930.40-106,721.40

Finding the Fourth Proportional to 346,587.20, 519,930.40 and 106,721.40

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Solution

The fourth proportional to 346,587.20, 519,930.40 and 106,721.40 is: 160,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,587.20 : 519,930.40 = 106,721.40 : x
  2. Step 2: Convert to fraction form
    346,587.20/519,930.40 = 106,721.40/x
  3. Step 3: Cross multiply
    346,587.20x = 519,930.40 × 106,721.40
  4. Step 4: Simplify right side
    346,587.20x = 55,487,700,190.56
  5. Step 5: Solve for x
    x = 55,487,700,190.56/346,587.20
  6. Step 6: Final answer
    x = 160,097.37

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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.