Home / 154,176.89-212,829.69-93,766.92

Finding the Fourth Proportional to 154,176.89, 212,829.69 and 93,766.92

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Solution

The fourth proportional to 154,176.89, 212,829.69 and 93,766.92 is: 129,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,176.89 : 212,829.69 = 93,766.92 : x
  2. Step 2: Convert to fraction form
    154,176.89/212,829.69 = 93,766.92/x
  3. Step 3: Cross multiply
    154,176.89x = 212,829.69 × 93,766.92
  4. Step 4: Simplify right side
    154,176.89x = 19,956,384,069.37
  5. Step 5: Solve for x
    x = 19,956,384,069.37/154,176.89
  6. Step 6: Final answer
    x = 129,438.24

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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.