Home / 156,763.50-216,395.63-109,044.54

Finding the Fourth Proportional to 156,763.50, 216,395.63 and 109,044.54

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Solution

The fourth proportional to 156,763.50, 216,395.63 and 109,044.54 is: 150,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763.50 : 216,395.63 = 109,044.54 : x
  2. Step 2: Convert to fraction form
    156,763.50/216,395.63 = 109,044.54/x
  3. Step 3: Cross multiply
    156,763.50x = 216,395.63 × 109,044.54
  4. Step 4: Simplify right side
    156,763.50x = 23,596,761,931.36
  5. Step 5: Solve for x
    x = 23,596,761,931.36/156,763.50
  6. Step 6: Final answer
    x = 150,524.59

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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.