Home / 154,740.56-213,579.96-94,344.51

Finding the Fourth Proportional to 154,740.56, 213,579.96 and 94,344.51

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Solution

The fourth proportional to 154,740.56, 213,579.96 and 94,344.51 is: 130,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,740.56 : 213,579.96 = 94,344.51 : x
  2. Step 2: Convert to fraction form
    154,740.56/213,579.96 = 94,344.51/x
  3. Step 3: Cross multiply
    154,740.56x = 213,579.96 × 94,344.51
  4. Step 4: Simplify right side
    154,740.56x = 20,150,096,672.02
  5. Step 5: Solve for x
    x = 20,150,096,672.02/154,740.56
  6. Step 6: Final answer
    x = 130,218.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.