Home / 154,097.63-212,790.18-96,836.49

Finding the Fourth Proportional to 154,097.63, 212,790.18 and 96,836.49

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Solution

The fourth proportional to 154,097.63, 212,790.18 and 96,836.49 is: 133,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,097.63 : 212,790.18 = 96,836.49 : x
  2. Step 2: Convert to fraction form
    154,097.63/212,790.18 = 96,836.49/x
  3. Step 3: Cross multiply
    154,097.63x = 212,790.18 × 96,836.49
  4. Step 4: Simplify right side
    154,097.63x = 20,605,854,137.67
  5. Step 5: Solve for x
    x = 20,605,854,137.67/154,097.63
  6. Step 6: Final answer
    x = 133,719.48

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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.