Home / 343,579.50-515,402.06-106,858.62

Finding the Fourth Proportional to 343,579.50, 515,402.06 and 106,858.62

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Solution

The fourth proportional to 343,579.50, 515,402.06 and 106,858.62 is: 160,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,579.50 : 515,402.06 = 106,858.62 : x
  2. Step 2: Convert to fraction form
    343,579.50/515,402.06 = 106,858.62/x
  3. Step 3: Cross multiply
    343,579.50x = 515,402.06 × 106,858.62
  4. Step 4: Simplify right side
    343,579.50x = 55,075,152,342.46
  5. Step 5: Solve for x
    x = 55,075,152,342.46/343,579.50
  6. Step 6: Final answer
    x = 160,298.13

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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.