Home / 214,429.40-321,644.10-96,331.40

Finding the Fourth Proportional to 214,429.40, 321,644.10 and 96,331.40

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Solution

The fourth proportional to 214,429.40, 321,644.10 and 96,331.40 is: 144,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,429.40 : 321,644.10 = 96,331.40 : x
  2. Step 2: Convert to fraction form
    214,429.40/321,644.10 = 96,331.40/x
  3. Step 3: Cross multiply
    214,429.40x = 321,644.10 × 96,331.40
  4. Step 4: Simplify right side
    214,429.40x = 30,984,426,454.74
  5. Step 5: Solve for x
    x = 30,984,426,454.74/214,429.40
  6. Step 6: Final answer
    x = 144,497.10

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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.