Home / 343,412.37-515,206.04-106,757.10

Finding the Fourth Proportional to 343,412.37, 515,206.04 and 106,757.10

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Solution

The fourth proportional to 343,412.37, 515,206.04 and 106,757.10 is: 160,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,412.37 : 515,206.04 = 106,757.10 : x
  2. Step 2: Convert to fraction form
    343,412.37/515,206.04 = 106,757.10/x
  3. Step 3: Cross multiply
    343,412.37x = 515,206.04 × 106,757.10
  4. Step 4: Simplify right side
    343,412.37x = 55,001,902,199.10
  5. Step 5: Solve for x
    x = 55,001,902,199.10/343,412.37
  6. Step 6: Final answer
    x = 160,162.85

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1.5x scale

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.