Home / 130,573.10-195,924.45-74,456.30

Finding the Fourth Proportional to 130,573.10, 195,924.45 and 74,456.30

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Solution

The fourth proportional to 130,573.10, 195,924.45 and 74,456.30 is: 111,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,573.10 : 195,924.45 = 74,456.30 : x
  2. Step 2: Convert to fraction form
    130,573.10/195,924.45 = 74,456.30/x
  3. Step 3: Cross multiply
    130,573.10x = 195,924.45 × 74,456.30
  4. Step 4: Simplify right side
    130,573.10x = 14,587,809,626.54
  5. Step 5: Solve for x
    x = 14,587,809,626.54/130,573.10
  6. Step 6: Final answer
    x = 111,721.40

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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.