Home / 147,222.29-203,172.99-83,566.01

Finding the Fourth Proportional to 147,222.29, 203,172.99 and 83,566.01

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Solution

The fourth proportional to 147,222.29, 203,172.99 and 83,566.01 is: 115,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,222.29 : 203,172.99 = 83,566.01 : x
  2. Step 2: Convert to fraction form
    147,222.29/203,172.99 = 83,566.01/x
  3. Step 3: Cross multiply
    147,222.29x = 203,172.99 × 83,566.01
  4. Step 4: Simplify right side
    147,222.29x = 16,978,356,114.07
  5. Step 5: Solve for x
    x = 16,978,356,114.07/147,222.29
  6. Step 6: Final answer
    x = 115,324.63

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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.