Home / 154,561.79-231,775.83-53,370.51

Finding the Fourth Proportional to 154,561.79, 231,775.83 and 53,370.51

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Solution

The fourth proportional to 154,561.79, 231,775.83 and 53,370.51 is: 80,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,561.79 : 231,775.83 = 53,370.51 : x
  2. Step 2: Convert to fraction form
    154,561.79/231,775.83 = 53,370.51/x
  3. Step 3: Cross multiply
    154,561.79x = 231,775.83 × 53,370.51
  4. Step 4: Simplify right side
    154,561.79x = 12,369,994,252.77
  5. Step 5: Solve for x
    x = 12,369,994,252.77/154,561.79
  6. Step 6: Final answer
    x = 80,032.68

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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.