Home / 149,238.86-223,708.64-69,333.00

Finding the Fourth Proportional to 149,238.86, 223,708.64 and 69,333.00

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Solution

The fourth proportional to 149,238.86, 223,708.64 and 69,333.00 is: 103,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,238.86 : 223,708.64 = 69,333.00 : x
  2. Step 2: Convert to fraction form
    149,238.86/223,708.64 = 69,333.00/x
  3. Step 3: Cross multiply
    149,238.86x = 223,708.64 × 69,333.00
  4. Step 4: Simplify right side
    149,238.86x = 15,510,389,951.55
  5. Step 5: Solve for x
    x = 15,510,389,951.55/149,238.86
  6. Step 6: Final answer
    x = 103,929.97

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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.