Home / 148,586.22-204,999.12-84,878.91

Finding the Fourth Proportional to 148,586.22, 204,999.12 and 84,878.91

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Solution

The fourth proportional to 148,586.22, 204,999.12 and 84,878.91 is: 117,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,586.22 : 204,999.12 = 84,878.91 : x
  2. Step 2: Convert to fraction form
    148,586.22/204,999.12 = 84,878.91/x
  3. Step 3: Cross multiply
    148,586.22x = 204,999.12 × 84,878.91
  4. Step 4: Simplify right side
    148,586.22x = 17,400,101,856.56
  5. Step 5: Solve for x
    x = 17,400,101,856.56/148,586.22
  6. Step 6: Final answer
    x = 117,104.41

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1.5x scale

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.