Home / 214,354.48-321,534.44-147,776.80

Finding the Fourth Proportional to 214,354.48, 321,534.44 and 147,776.80

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Solution

The fourth proportional to 214,354.48, 321,534.44 and 147,776.80 is: 221,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,354.48 : 321,534.44 = 147,776.80 : x
  2. Step 2: Convert to fraction form
    214,354.48/321,534.44 = 147,776.80/x
  3. Step 3: Cross multiply
    214,354.48x = 321,534.44 × 147,776.80
  4. Step 4: Simplify right side
    214,354.48x = 47,515,330,632.99
  5. Step 5: Solve for x
    x = 47,515,330,632.99/214,354.48
  6. Step 6: Final answer
    x = 221,667.08

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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.