Home / 114,120.20-157,460.46-66,377.72

Finding the Fourth Proportional to 114,120.20, 157,460.46 and 66,377.72

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Solution

The fourth proportional to 114,120.20, 157,460.46 and 66,377.72 is: 91,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,120.20 : 157,460.46 = 66,377.72 : x
  2. Step 2: Convert to fraction form
    114,120.20/157,460.46 = 66,377.72/x
  3. Step 3: Cross multiply
    114,120.20x = 157,460.46 × 66,377.72
  4. Step 4: Simplify right side
    114,120.20x = 10,451,866,324.95
  5. Step 5: Solve for x
    x = 10,451,866,324.95/114,120.20
  6. Step 6: Final answer
    x = 91,586.47

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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.