Home / 214,168.34-321,398.04-114,400.28

Finding the Fourth Proportional to 214,168.34, 321,398.04 and 114,400.28

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Solution

The fourth proportional to 214,168.34, 321,398.04 and 114,400.28 is: 171,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,168.34 : 321,398.04 = 114,400.28 : x
  2. Step 2: Convert to fraction form
    214,168.34/321,398.04 = 114,400.28/x
  3. Step 3: Cross multiply
    214,168.34x = 321,398.04 × 114,400.28
  4. Step 4: Simplify right side
    214,168.34x = 36,768,025,767.45
  5. Step 5: Solve for x
    x = 36,768,025,767.45/214,168.34
  6. Step 6: Final answer
    x = 171,678.16

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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.