Home / 190,702.81-263,181.70-126,059.92

Finding the Fourth Proportional to 190,702.81, 263,181.70 and 126,059.92

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Solution

The fourth proportional to 190,702.81, 263,181.70 and 126,059.92 is: 173,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,702.81 : 263,181.70 = 126,059.92 : x
  2. Step 2: Convert to fraction form
    190,702.81/263,181.70 = 126,059.92/x
  3. Step 3: Cross multiply
    190,702.81x = 263,181.70 × 126,059.92
  4. Step 4: Simplify right side
    190,702.81x = 33,176,663,782.28
  5. Step 5: Solve for x
    x = 33,176,663,782.28/190,702.81
  6. Step 6: Final answer
    x = 173,970.50

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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.