Home / 154,187.30-212,766.73-93,749.55

Finding the Fourth Proportional to 154,187.30, 212,766.73 and 93,749.55

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Solution

The fourth proportional to 154,187.30, 212,766.73 and 93,749.55 is: 129,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,187.30 : 212,766.73 = 93,749.55 : x
  2. Step 2: Convert to fraction form
    154,187.30/212,766.73 = 93,749.55/x
  3. Step 3: Cross multiply
    154,187.30x = 212,766.73 × 93,749.55
  4. Step 4: Simplify right side
    154,187.30x = 19,946,784,958.10
  5. Step 5: Solve for x
    x = 19,946,784,958.10/154,187.30
  6. Step 6: Final answer
    x = 129,367.24

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1.5x scale

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.