Home / 129,239.24-193,858.93-40,499.69

Finding the Fourth Proportional to 129,239.24, 193,858.93 and 40,499.69

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Solution

The fourth proportional to 129,239.24, 193,858.93 and 40,499.69 is: 60,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,239.24 : 193,858.93 = 40,499.69 : x
  2. Step 2: Convert to fraction form
    129,239.24/193,858.93 = 40,499.69/x
  3. Step 3: Cross multiply
    129,239.24x = 193,858.93 × 40,499.69
  4. Step 4: Simplify right side
    129,239.24x = 7,851,226,740.52
  5. Step 5: Solve for x
    x = 7,851,226,740.52/129,239.24
  6. Step 6: Final answer
    x = 60,749.56

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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.