Home / 147,567.82-203,623.05-83,898.58

Finding the Fourth Proportional to 147,567.82, 203,623.05 and 83,898.58

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Solution

The fourth proportional to 147,567.82, 203,623.05 and 83,898.58 is: 115,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,567.82 : 203,623.05 = 83,898.58 : x
  2. Step 2: Convert to fraction form
    147,567.82/203,623.05 = 83,898.58/x
  3. Step 3: Cross multiply
    147,567.82x = 203,623.05 × 83,898.58
  4. Step 4: Simplify right side
    147,567.82x = 17,083,684,750.27
  5. Step 5: Solve for x
    x = 17,083,684,750.27/147,567.82
  6. Step 6: Final answer
    x = 115,768.36

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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.