Home / 216,125.06-324,203.16-83,005.32

Finding the Fourth Proportional to 216,125.06, 324,203.16 and 83,005.32

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Solution

The fourth proportional to 216,125.06, 324,203.16 and 83,005.32 is: 124,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,125.06 : 324,203.16 = 83,005.32 : x
  2. Step 2: Convert to fraction form
    216,125.06/324,203.16 = 83,005.32/x
  3. Step 3: Cross multiply
    216,125.06x = 324,203.16 × 83,005.32
  4. Step 4: Simplify right side
    216,125.06x = 26,910,586,022.79
  5. Step 5: Solve for x
    x = 26,910,586,022.79/216,125.06
  6. Step 6: Final answer
    x = 124,513.96

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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.