Home / 516,136.17-774,212.03-179,187.51

Finding the Fourth Proportional to 516,136.17, 774,212.03 and 179,187.51

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Solution

The fourth proportional to 516,136.17, 774,212.03 and 179,187.51 is: 268,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,136.17 : 774,212.03 = 179,187.51 : x
  2. Step 2: Convert to fraction form
    516,136.17/774,212.03 = 179,187.51/x
  3. Step 3: Cross multiply
    516,136.17x = 774,212.03 × 179,187.51
  4. Step 4: Simplify right side
    516,136.17x = 138,729,124,971.81
  5. Step 5: Solve for x
    x = 138,729,124,971.81/516,136.17
  6. Step 6: Final answer
    x = 268,783.96

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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.