Home / 126,650.07-189,981.48-37,904.45

Finding the Fourth Proportional to 126,650.07, 189,981.48 and 37,904.45

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Solution

The fourth proportional to 126,650.07, 189,981.48 and 37,904.45 is: 56,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,650.07 : 189,981.48 = 37,904.45 : x
  2. Step 2: Convert to fraction form
    126,650.07/189,981.48 = 37,904.45/x
  3. Step 3: Cross multiply
    126,650.07x = 189,981.48 × 37,904.45
  4. Step 4: Simplify right side
    126,650.07x = 7,201,142,559.68
  5. Step 5: Solve for x
    x = 7,201,142,559.68/126,650.07
  6. Step 6: Final answer
    x = 56,858.58

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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.