Home / 155,458.59-233,161.78-43,150.21

Finding the Fourth Proportional to 155,458.59, 233,161.78 and 43,150.21

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Solution

The fourth proportional to 155,458.59, 233,161.78 and 43,150.21 is: 64,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.59 : 233,161.78 = 43,150.21 : x
  2. Step 2: Convert to fraction form
    155,458.59/233,161.78 = 43,150.21/x
  3. Step 3: Cross multiply
    155,458.59x = 233,161.78 × 43,150.21
  4. Step 4: Simplify right side
    155,458.59x = 10,060,979,770.97
  5. Step 5: Solve for x
    x = 10,060,979,770.97/155,458.59
  6. Step 6: Final answer
    x = 64,718.07

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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.