Home / 155,561.53-214,585.46-98,180.46

Finding the Fourth Proportional to 155,561.53, 214,585.46 and 98,180.46

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Solution

The fourth proportional to 155,561.53, 214,585.46 and 98,180.46 is: 135,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,561.53 : 214,585.46 = 98,180.46 : x
  2. Step 2: Convert to fraction form
    155,561.53/214,585.46 = 98,180.46/x
  3. Step 3: Cross multiply
    155,561.53x = 214,585.46 × 98,180.46
  4. Step 4: Simplify right side
    155,561.53x = 21,068,099,049.39
  5. Step 5: Solve for x
    x = 21,068,099,049.39/155,561.53
  6. Step 6: Final answer
    x = 135,432.58

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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.