Home / 126,709.74-190,091.70-46,747.98

Finding the Fourth Proportional to 126,709.74, 190,091.70 and 46,747.98

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Solution

The fourth proportional to 126,709.74, 190,091.70 and 46,747.98 is: 70,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,709.74 : 190,091.70 = 46,747.98 : x
  2. Step 2: Convert to fraction form
    126,709.74/190,091.70 = 46,747.98/x
  3. Step 3: Cross multiply
    126,709.74x = 190,091.70 × 46,747.98
  4. Step 4: Simplify right side
    126,709.74x = 8,886,402,989.77
  5. Step 5: Solve for x
    x = 8,886,402,989.77/126,709.74
  6. Step 6: Final answer
    x = 70,131.96

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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.