Home / 155,151.44-214,059.76-94,691.80

Finding the Fourth Proportional to 155,151.44, 214,059.76 and 94,691.80

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Solution

The fourth proportional to 155,151.44, 214,059.76 and 94,691.80 is: 130,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,151.44 : 214,059.76 = 94,691.80 : x
  2. Step 2: Convert to fraction form
    155,151.44/214,059.76 = 94,691.80/x
  3. Step 3: Cross multiply
    155,151.44x = 214,059.76 × 94,691.80
  4. Step 4: Simplify right side
    155,151.44x = 20,269,703,981.97
  5. Step 5: Solve for x
    x = 20,269,703,981.97/155,151.44
  6. Step 6: Final answer
    x = 130,644.64

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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.