Home / 148,020.72-204,273.76-84,348.24

Finding the Fourth Proportional to 148,020.72, 204,273.76 and 84,348.24

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Solution

The fourth proportional to 148,020.72, 204,273.76 and 84,348.24 is: 116,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020.72 : 204,273.76 = 84,348.24 : x
  2. Step 2: Convert to fraction form
    148,020.72/204,273.76 = 84,348.24/x
  3. Step 3: Cross multiply
    148,020.72x = 204,273.76 × 84,348.24
  4. Step 4: Simplify right side
    148,020.72x = 17,230,132,134.18
  5. Step 5: Solve for x
    x = 17,230,132,134.18/148,020.72
  6. Step 6: Final answer
    x = 116,403.52

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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.