Home / 130,582.45-195,929.04-71,348.92

Finding the Fourth Proportional to 130,582.45, 195,929.04 and 71,348.92

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Solution

The fourth proportional to 130,582.45, 195,929.04 and 71,348.92 is: 107,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,582.45 : 195,929.04 = 71,348.92 : x
  2. Step 2: Convert to fraction form
    130,582.45/195,929.04 = 71,348.92/x
  3. Step 3: Cross multiply
    130,582.45x = 195,929.04 × 71,348.92
  4. Step 4: Simplify right side
    130,582.45x = 13,979,325,222.26
  5. Step 5: Solve for x
    x = 13,979,325,222.26/130,582.45
  6. Step 6: Final answer
    x = 107,053.63

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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.