Home / 122,308.08-183,431.32-47,402.52

Finding the Fourth Proportional to 122,308.08, 183,431.32 and 47,402.52

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Solution

The fourth proportional to 122,308.08, 183,431.32 and 47,402.52 is: 71,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,308.08 : 183,431.32 = 47,402.52 : x
  2. Step 2: Convert to fraction form
    122,308.08/183,431.32 = 47,402.52/x
  3. Step 3: Cross multiply
    122,308.08x = 183,431.32 × 47,402.52
  4. Step 4: Simplify right side
    122,308.08x = 8,695,106,814.93
  5. Step 5: Solve for x
    x = 8,695,106,814.93/122,308.08
  6. Step 6: Final answer
    x = 71,091.84

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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.