Home / 130,435.81-195,622.24-54,493.32

Finding the Fourth Proportional to 130,435.81, 195,622.24 and 54,493.32

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Solution

The fourth proportional to 130,435.81, 195,622.24 and 54,493.32 is: 81,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,435.81 : 195,622.24 = 54,493.32 : x
  2. Step 2: Convert to fraction form
    130,435.81/195,622.24 = 54,493.32/x
  3. Step 3: Cross multiply
    130,435.81x = 195,622.24 × 54,493.32
  4. Step 4: Simplify right side
    130,435.81x = 10,660,106,227.31
  5. Step 5: Solve for x
    x = 10,660,106,227.31/130,435.81
  6. Step 6: Final answer
    x = 81,726.84

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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.