Home / 152,926.68-210,965.56-107,629.80

Finding the Fourth Proportional to 152,926.68, 210,965.56 and 107,629.80

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Solution

The fourth proportional to 152,926.68, 210,965.56 and 107,629.80 is: 148,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,926.68 : 210,965.56 = 107,629.80 : x
  2. Step 2: Convert to fraction form
    152,926.68/210,965.56 = 107,629.80/x
  3. Step 3: Cross multiply
    152,926.68x = 210,965.56 × 107,629.80
  4. Step 4: Simplify right side
    152,926.68x = 22,706,181,029.69
  5. Step 5: Solve for x
    x = 22,706,181,029.69/152,926.68
  6. Step 6: Final answer
    x = 148,477.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.