Home / 130,426.44-195,507.30-74,150.28

Finding the Fourth Proportional to 130,426.44, 195,507.30 and 74,150.28

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Solution

The fourth proportional to 130,426.44, 195,507.30 and 74,150.28 is: 111,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,426.44 : 195,507.30 = 74,150.28 : x
  2. Step 2: Convert to fraction form
    130,426.44/195,507.30 = 74,150.28/x
  3. Step 3: Cross multiply
    130,426.44x = 195,507.30 × 74,150.28
  4. Step 4: Simplify right side
    130,426.44x = 14,496,921,037.04
  5. Step 5: Solve for x
    x = 14,496,921,037.04/130,426.44
  6. Step 6: Final answer
    x = 111,150.17

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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.