Home / 130,996.55-180,722.73-82,582.53

Finding the Fourth Proportional to 130,996.55, 180,722.73 and 82,582.53

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Solution

The fourth proportional to 130,996.55, 180,722.73 and 82,582.53 is: 113,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,996.55 : 180,722.73 = 82,582.53 : x
  2. Step 2: Convert to fraction form
    130,996.55/180,722.73 = 82,582.53/x
  3. Step 3: Cross multiply
    130,996.55x = 180,722.73 × 82,582.53
  4. Step 4: Simplify right side
    130,996.55x = 14,924,540,271.91
  5. Step 5: Solve for x
    x = 14,924,540,271.91/130,996.55
  6. Step 6: Final answer
    x = 113,930.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.