Home / 216,983.40-325,527.06-90,553.32

Finding the Fourth Proportional to 216,983.40, 325,527.06 and 90,553.32

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Solution

The fourth proportional to 216,983.40, 325,527.06 and 90,553.32 is: 135,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,983.40 : 325,527.06 = 90,553.32 : x
  2. Step 2: Convert to fraction form
    216,983.40/325,527.06 = 90,553.32/x
  3. Step 3: Cross multiply
    216,983.40x = 325,527.06 × 90,553.32
  4. Step 4: Simplify right side
    216,983.40x = 29,477,556,032.84
  5. Step 5: Solve for x
    x = 29,477,556,032.84/216,983.40
  6. Step 6: Final answer
    x = 135,851.66

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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.