Home / 163,369.09-245,065.92-45,039.43

Finding the Fourth Proportional to 163,369.09, 245,065.92 and 45,039.43

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Solution

The fourth proportional to 163,369.09, 245,065.92 and 45,039.43 is: 67,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,369.09 : 245,065.92 = 45,039.43 : x
  2. Step 2: Convert to fraction form
    163,369.09/245,065.92 = 45,039.43/x
  3. Step 3: Cross multiply
    163,369.09x = 245,065.92 × 45,039.43
  4. Step 4: Simplify right side
    163,369.09x = 11,037,629,349.23
  5. Step 5: Solve for x
    x = 11,037,629,349.23/163,369.09
  6. Step 6: Final answer
    x = 67,562.53

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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.