Home / 168,150.51-231,916.41-107,726.73

Finding the Fourth Proportional to 168,150.51, 231,916.41 and 107,726.73

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Solution

The fourth proportional to 168,150.51, 231,916.41 and 107,726.73 is: 148,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,150.51 : 231,916.41 = 107,726.73 : x
  2. Step 2: Convert to fraction form
    168,150.51/231,916.41 = 107,726.73/x
  3. Step 3: Cross multiply
    168,150.51x = 231,916.41 × 107,726.73
  4. Step 4: Simplify right side
    168,150.51x = 24,983,596,482.64
  5. Step 5: Solve for x
    x = 24,983,596,482.64/168,150.51
  6. Step 6: Final answer
    x = 148,578.77

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1.5x scale

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.