Home / 286,247.32-429,322.38-75,906.52

Finding the Fourth Proportional to 286,247.32, 429,322.38 and 75,906.52

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Solution

The fourth proportional to 286,247.32, 429,322.38 and 75,906.52 is: 113,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,247.32 : 429,322.38 = 75,906.52 : x
  2. Step 2: Convert to fraction form
    286,247.32/429,322.38 = 75,906.52/x
  3. Step 3: Cross multiply
    286,247.32x = 429,322.38 × 75,906.52
  4. Step 4: Simplify right side
    286,247.32x = 32,588,366,465.96
  5. Step 5: Solve for x
    x = 32,588,366,465.96/286,247.32
  6. Step 6: Final answer
    x = 113,846.89

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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.