Home / 214,853.40-322,280.10-193,080.60

Finding the Fourth Proportional to 214,853.40, 322,280.10 and 193,080.60

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Solution

The fourth proportional to 214,853.40, 322,280.10 and 193,080.60 is: 289,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,853.40 : 322,280.10 = 193,080.60 : x
  2. Step 2: Convert to fraction form
    214,853.40/322,280.10 = 193,080.60/x
  3. Step 3: Cross multiply
    214,853.40x = 322,280.10 × 193,080.60
  4. Step 4: Simplify right side
    214,853.40x = 62,226,035,076.06
  5. Step 5: Solve for x
    x = 62,226,035,076.06/214,853.40
  6. Step 6: Final answer
    x = 289,620.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.