Home / 343,212.60-514,916.10-106,579.20

Finding the Fourth Proportional to 343,212.60, 514,916.10 and 106,579.20

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Solution

The fourth proportional to 343,212.60, 514,916.10 and 106,579.20 is: 159,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,212.60 : 514,916.10 = 106,579.20 : x
  2. Step 2: Convert to fraction form
    343,212.60/514,916.10 = 106,579.20/x
  3. Step 3: Cross multiply
    343,212.60x = 514,916.10 × 106,579.20
  4. Step 4: Simplify right side
    343,212.60x = 54,879,346,005.12
  5. Step 5: Solve for x
    x = 54,879,346,005.12/343,212.60
  6. Step 6: Final answer
    x = 159,898.98

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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.