Home / 214,301.07-321,518.52-129,005.31

Finding the Fourth Proportional to 214,301.07, 321,518.52 and 129,005.31

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Solution

The fourth proportional to 214,301.07, 321,518.52 and 129,005.31 is: 193,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,301.07 : 321,518.52 = 129,005.31 : x
  2. Step 2: Convert to fraction form
    214,301.07/321,518.52 = 129,005.31/x
  3. Step 3: Cross multiply
    214,301.07x = 321,518.52 × 129,005.31
  4. Step 4: Simplify right side
    214,301.07x = 41,477,596,343.34
  5. Step 5: Solve for x
    x = 41,477,596,343.34/214,301.07
  6. Step 6: Final answer
    x = 193,548.25

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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.