Home / 147,650.48-203,686.79-96,640.76

Finding the Fourth Proportional to 147,650.48, 203,686.79 and 96,640.76

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Solution

The fourth proportional to 147,650.48, 203,686.79 and 96,640.76 is: 133,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,650.48 : 203,686.79 = 96,640.76 : x
  2. Step 2: Convert to fraction form
    147,650.48/203,686.79 = 96,640.76/x
  3. Step 3: Cross multiply
    147,650.48x = 203,686.79 × 96,640.76
  4. Step 4: Simplify right side
    147,650.48x = 19,684,446,213.57
  5. Step 5: Solve for x
    x = 19,684,446,213.57/147,650.48
  6. Step 6: Final answer
    x = 133,317.86

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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.