Home / 395,221.96-592,927.26-128,982.97

Finding the Fourth Proportional to 395,221.96, 592,927.26 and 128,982.97

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Solution

The fourth proportional to 395,221.96, 592,927.26 and 128,982.97 is: 193,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,221.96 : 592,927.26 = 128,982.97 : x
  2. Step 2: Convert to fraction form
    395,221.96/592,927.26 = 128,982.97/x
  3. Step 3: Cross multiply
    395,221.96x = 592,927.26 × 128,982.97
  4. Step 4: Simplify right side
    395,221.96x = 76,477,518,988.76
  5. Step 5: Solve for x
    x = 76,477,518,988.76/395,221.96
  6. Step 6: Final answer
    x = 193,505.24

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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.