Home / 130,415.56-195,631.68-36,928.60

Finding the Fourth Proportional to 130,415.56, 195,631.68 and 36,928.60

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Solution

The fourth proportional to 130,415.56, 195,631.68 and 36,928.60 is: 55,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415.56 : 195,631.68 = 36,928.60 : x
  2. Step 2: Convert to fraction form
    130,415.56/195,631.68 = 36,928.60/x
  3. Step 3: Cross multiply
    130,415.56x = 195,631.68 × 36,928.60
  4. Step 4: Simplify right side
    130,415.56x = 7,224,404,058.05
  5. Step 5: Solve for x
    x = 7,224,404,058.05/130,415.56
  6. Step 6: Final answer
    x = 55,395.26

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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.