Home / 154,947.51-232,202.57-66,169.89

Finding the Fourth Proportional to 154,947.51, 232,202.57 and 66,169.89

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Solution

The fourth proportional to 154,947.51, 232,202.57 and 66,169.89 is: 99,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,947.51 : 232,202.57 = 66,169.89 : x
  2. Step 2: Convert to fraction form
    154,947.51/232,202.57 = 66,169.89/x
  3. Step 3: Cross multiply
    154,947.51x = 232,202.57 × 66,169.89
  4. Step 4: Simplify right side
    154,947.51x = 15,364,818,183.77
  5. Step 5: Solve for x
    x = 15,364,818,183.77/154,947.51
  6. Step 6: Final answer
    x = 99,161.44

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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.