Home / 154,473.21-231,720.34-49,300.11

Finding the Fourth Proportional to 154,473.21, 231,720.34 and 49,300.11

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Solution

The fourth proportional to 154,473.21, 231,720.34 and 49,300.11 is: 73,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,473.21 : 231,720.34 = 49,300.11 : x
  2. Step 2: Convert to fraction form
    154,473.21/231,720.34 = 49,300.11/x
  3. Step 3: Cross multiply
    154,473.21x = 231,720.34 × 49,300.11
  4. Step 4: Simplify right side
    154,473.21x = 11,423,836,969.39
  5. Step 5: Solve for x
    x = 11,423,836,969.39/154,473.21
  6. Step 6: Final answer
    x = 73,953.52

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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.