Home / 156,735.37-216,361.02-105,817.07

Finding the Fourth Proportional to 156,735.37, 216,361.02 and 105,817.07

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Solution

The fourth proportional to 156,735.37, 216,361.02 and 105,817.07 is: 146,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.37 : 216,361.02 = 105,817.07 : x
  2. Step 2: Convert to fraction form
    156,735.37/216,361.02 = 105,817.07/x
  3. Step 3: Cross multiply
    156,735.37x = 216,361.02 × 105,817.07
  4. Step 4: Simplify right side
    156,735.37x = 22,894,687,587.72
  5. Step 5: Solve for x
    x = 22,894,687,587.72/156,735.37
  6. Step 6: Final answer
    x = 146,072.25

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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.