Home / 154,766.58-213,681.69-96,711.72

Finding the Fourth Proportional to 154,766.58, 213,681.69 and 96,711.72

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Solution

The fourth proportional to 154,766.58, 213,681.69 and 96,711.72 is: 133,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,766.58 : 213,681.69 = 96,711.72 : x
  2. Step 2: Convert to fraction form
    154,766.58/213,681.69 = 96,711.72/x
  3. Step 3: Cross multiply
    154,766.58x = 213,681.69 × 96,711.72
  4. Step 4: Simplify right side
    154,766.58x = 20,665,523,772.41
  5. Step 5: Solve for x
    x = 20,665,523,772.41/154,766.58
  6. Step 6: Final answer
    x = 133,527.04

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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.