Home / 156,556.96-234,524.40-86,261.92

Finding the Fourth Proportional to 156,556.96, 234,524.40 and 86,261.92

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Solution

The fourth proportional to 156,556.96, 234,524.40 and 86,261.92 is: 129,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,556.96 : 234,524.40 = 86,261.92 : x
  2. Step 2: Convert to fraction form
    156,556.96/234,524.40 = 86,261.92/x
  3. Step 3: Cross multiply
    156,556.96x = 234,524.40 × 86,261.92
  4. Step 4: Simplify right side
    156,556.96x = 20,230,525,030.85
  5. Step 5: Solve for x
    x = 20,230,525,030.85/156,556.96
  6. Step 6: Final answer
    x = 129,221.50

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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.