Home / 147,802.54-203,907.12-109,133.04

Finding the Fourth Proportional to 147,802.54, 203,907.12 and 109,133.04

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Solution

The fourth proportional to 147,802.54, 203,907.12 and 109,133.04 is: 150,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,802.54 : 203,907.12 = 109,133.04 : x
  2. Step 2: Convert to fraction form
    147,802.54/203,907.12 = 109,133.04/x
  3. Step 3: Cross multiply
    147,802.54x = 203,907.12 × 109,133.04
  4. Step 4: Simplify right side
    147,802.54x = 22,253,003,883.24
  5. Step 5: Solve for x
    x = 22,253,003,883.24/147,802.54
  6. Step 6: Final answer
    x = 150,559.01

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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.