Home / 130,538.90-195,504.72-126,947.24

Finding the Fourth Proportional to 130,538.90, 195,504.72 and 126,947.24

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Solution

The fourth proportional to 130,538.90, 195,504.72 and 126,947.24 is: 190,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,538.90 : 195,504.72 = 126,947.24 : x
  2. Step 2: Convert to fraction form
    130,538.90/195,504.72 = 126,947.24/x
  3. Step 3: Cross multiply
    130,538.90x = 195,504.72 × 126,947.24
  4. Step 4: Simplify right side
    130,538.90x = 24,818,783,633.45
  5. Step 5: Solve for x
    x = 24,818,783,633.45/130,538.90
  6. Step 6: Final answer
    x = 190,125.58

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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.