Home / 154,641.62-231,998.75-48,020.07

Finding the Fourth Proportional to 154,641.62, 231,998.75 and 48,020.07

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Solution

The fourth proportional to 154,641.62, 231,998.75 and 48,020.07 is: 72,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,641.62 : 231,998.75 = 48,020.07 : x
  2. Step 2: Convert to fraction form
    154,641.62/231,998.75 = 48,020.07/x
  3. Step 3: Cross multiply
    154,641.62x = 231,998.75 × 48,020.07
  4. Step 4: Simplify right side
    154,641.62x = 11,140,596,844.81
  5. Step 5: Solve for x
    x = 11,140,596,844.81/154,641.62
  6. Step 6: Final answer
    x = 72,041.39

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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.