Home / 154,557.80-231,836.70-119,522.60

Finding the Fourth Proportional to 154,557.80, 231,836.70 and 119,522.60

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Solution

The fourth proportional to 154,557.80, 231,836.70 and 119,522.60 is: 179,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557.80 : 231,836.70 = 119,522.60 : x
  2. Step 2: Convert to fraction form
    154,557.80/231,836.70 = 119,522.60/x
  3. Step 3: Cross multiply
    154,557.80x = 231,836.70 × 119,522.60
  4. Step 4: Simplify right side
    154,557.80x = 27,709,725,159.42
  5. Step 5: Solve for x
    x = 27,709,725,159.42/154,557.80
  6. Step 6: Final answer
    x = 179,283.90

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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.