Home / 154,046.64-212,577.84-96,715.92

Finding the Fourth Proportional to 154,046.64, 212,577.84 and 96,715.92

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Solution

The fourth proportional to 154,046.64, 212,577.84 and 96,715.92 is: 133,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,046.64 : 212,577.84 = 96,715.92 : x
  2. Step 2: Convert to fraction form
    154,046.64/212,577.84 = 96,715.92/x
  3. Step 3: Cross multiply
    154,046.64x = 212,577.84 × 96,715.92
  4. Step 4: Simplify right side
    154,046.64x = 20,559,661,367.21
  5. Step 5: Solve for x
    x = 20,559,661,367.21/154,046.64
  6. Step 6: Final answer
    x = 133,463.87

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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.