Home / 216,047.73-298,086.07-139,569.85

Finding the Fourth Proportional to 216,047.73, 298,086.07 and 139,569.85

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Solution

The fourth proportional to 216,047.73, 298,086.07 and 139,569.85 is: 192,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,047.73 : 298,086.07 = 139,569.85 : x
  2. Step 2: Convert to fraction form
    216,047.73/298,086.07 = 139,569.85/x
  3. Step 3: Cross multiply
    216,047.73x = 298,086.07 × 139,569.85
  4. Step 4: Simplify right side
    216,047.73x = 41,603,828,076.99
  5. Step 5: Solve for x
    x = 41,603,828,076.99/216,047.73
  6. Step 6: Final answer
    x = 192,567.76

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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.