Home / 147,559.33-203,631.90-83,901.02

Finding the Fourth Proportional to 147,559.33, 203,631.90 and 83,901.02

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Solution

The fourth proportional to 147,559.33, 203,631.90 and 83,901.02 is: 115,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.33 : 203,631.90 = 83,901.02 : x
  2. Step 2: Convert to fraction form
    147,559.33/203,631.90 = 83,901.02/x
  3. Step 3: Cross multiply
    147,559.33x = 203,631.90 × 83,901.02
  4. Step 4: Simplify right side
    147,559.33x = 17,084,924,623.62
  5. Step 5: Solve for x
    x = 17,084,924,623.62/147,559.33
  6. Step 6: Final answer
    x = 115,783.43

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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.