Home / 154,568.07-231,509.52-118,765.80

Finding the Fourth Proportional to 154,568.07, 231,509.52 and 118,765.80

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Solution

The fourth proportional to 154,568.07, 231,509.52 and 118,765.80 is: 177,885.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,568.07 : 231,509.52 = 118,765.80 : x
  2. Step 2: Convert to fraction form
    154,568.07/231,509.52 = 118,765.80/x
  3. Step 3: Cross multiply
    154,568.07x = 231,509.52 × 118,765.80
  4. Step 4: Simplify right side
    154,568.07x = 27,495,413,350.42
  5. Step 5: Solve for x
    x = 27,495,413,350.42/154,568.07
  6. Step 6: Final answer
    x = 177,885.47

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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.