Home / 130,485.48-195,727.86-36,992.04

Finding the Fourth Proportional to 130,485.48, 195,727.86 and 36,992.04

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Solution

The fourth proportional to 130,485.48, 195,727.86 and 36,992.04 is: 55,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,485.48 : 195,727.86 = 36,992.04 : x
  2. Step 2: Convert to fraction form
    130,485.48/195,727.86 = 36,992.04/x
  3. Step 3: Cross multiply
    130,485.48x = 195,727.86 × 36,992.04
  4. Step 4: Simplify right side
    130,485.48x = 7,240,372,826.23
  5. Step 5: Solve for x
    x = 7,240,372,826.23/130,485.48
  6. Step 6: Final answer
    x = 55,487.96

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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.