Home / 214,660.80-321,994.08-64,902.24

Finding the Fourth Proportional to 214,660.80, 321,994.08 and 64,902.24

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Solution

The fourth proportional to 214,660.80, 321,994.08 and 64,902.24 is: 97,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,660.80 : 321,994.08 = 64,902.24 : x
  2. Step 2: Convert to fraction form
    214,660.80/321,994.08 = 64,902.24/x
  3. Step 3: Cross multiply
    214,660.80x = 321,994.08 × 64,902.24
  4. Step 4: Simplify right side
    214,660.80x = 20,898,137,058.74
  5. Step 5: Solve for x
    x = 20,898,137,058.74/214,660.80
  6. Step 6: Final answer
    x = 97,354.23

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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.