Home / 147,172.02-203,091.75-83,506.02

Finding the Fourth Proportional to 147,172.02, 203,091.75 and 83,506.02

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Solution

The fourth proportional to 147,172.02, 203,091.75 and 83,506.02 is: 115,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,172.02 : 203,091.75 = 83,506.02 : x
  2. Step 2: Convert to fraction form
    147,172.02/203,091.75 = 83,506.02/x
  3. Step 3: Cross multiply
    147,172.02x = 203,091.75 × 83,506.02
  4. Step 4: Simplify right side
    147,172.02x = 16,959,383,737.34
  5. Step 5: Solve for x
    x = 16,959,383,737.34/147,172.02
  6. Step 6: Final answer
    x = 115,235.11

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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.