Home / 130,089.65-195,147.45-35,321.36

Finding the Fourth Proportional to 130,089.65, 195,147.45 and 35,321.36

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Solution

The fourth proportional to 130,089.65, 195,147.45 and 35,321.36 is: 52,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,089.65 : 195,147.45 = 35,321.36 : x
  2. Step 2: Convert to fraction form
    130,089.65/195,147.45 = 35,321.36/x
  3. Step 3: Cross multiply
    130,089.65x = 195,147.45 × 35,321.36
  4. Step 4: Simplify right side
    130,089.65x = 6,892,872,358.79
  5. Step 5: Solve for x
    x = 6,892,872,358.79/130,089.65
  6. Step 6: Final answer
    x = 52,985.56

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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.