Home / 154,434.06-231,800.90-74,528.27

Finding the Fourth Proportional to 154,434.06, 231,800.90 and 74,528.27

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Solution

The fourth proportional to 154,434.06, 231,800.90 and 74,528.27 is: 111,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.06 : 231,800.90 = 74,528.27 : x
  2. Step 2: Convert to fraction form
    154,434.06/231,800.90 = 74,528.27/x
  3. Step 3: Cross multiply
    154,434.06x = 231,800.90 × 74,528.27
  4. Step 4: Simplify right side
    154,434.06x = 17,275,718,529.80
  5. Step 5: Solve for x
    x = 17,275,718,529.80/154,434.06
  6. Step 6: Final answer
    x = 111,864.69

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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.