Home / 189,913.99-262,076.83-105,029.23

Finding the Fourth Proportional to 189,913.99, 262,076.83 and 105,029.23

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Solution

The fourth proportional to 189,913.99, 262,076.83 and 105,029.23 is: 144,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,913.99 : 262,076.83 = 105,029.23 : x
  2. Step 2: Convert to fraction form
    189,913.99/262,076.83 = 105,029.23/x
  3. Step 3: Cross multiply
    189,913.99x = 262,076.83 × 105,029.23
  4. Step 4: Simplify right side
    189,913.99x = 27,525,727,655.74
  5. Step 5: Solve for x
    x = 27,525,727,655.74/189,913.99
  6. Step 6: Final answer
    x = 144,937.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.