Home / 216,416.02-324,640.34-64,601.10

Finding the Fourth Proportional to 216,416.02, 324,640.34 and 64,601.10

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Solution

The fourth proportional to 216,416.02, 324,640.34 and 64,601.10 is: 96,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,416.02 : 324,640.34 = 64,601.10 : x
  2. Step 2: Convert to fraction form
    216,416.02/324,640.34 = 64,601.10/x
  3. Step 3: Cross multiply
    216,416.02x = 324,640.34 × 64,601.10
  4. Step 4: Simplify right side
    216,416.02x = 20,972,124,082.36
  5. Step 5: Solve for x
    x = 20,972,124,082.36/216,416.02
  6. Step 6: Final answer
    x = 96,906.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.