Home / 148,176.90-204,483.73-80,194.01

Finding the Fourth Proportional to 148,176.90, 204,483.73 and 80,194.01

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Solution

The fourth proportional to 148,176.90, 204,483.73 and 80,194.01 is: 110,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,176.90 : 204,483.73 = 80,194.01 : x
  2. Step 2: Convert to fraction form
    148,176.90/204,483.73 = 80,194.01/x
  3. Step 3: Cross multiply
    148,176.90x = 204,483.73 × 80,194.01
  4. Step 4: Simplify right side
    148,176.90x = 16,398,370,288.46
  5. Step 5: Solve for x
    x = 16,398,370,288.46/148,176.90
  6. Step 6: Final answer
    x = 110,667.52

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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.