Home / 216,858.24-325,206.46-74,663.35

Finding the Fourth Proportional to 216,858.24, 325,206.46 and 74,663.35

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Solution

The fourth proportional to 216,858.24, 325,206.46 and 74,663.35 is: 111,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,858.24 : 325,206.46 = 74,663.35 : x
  2. Step 2: Convert to fraction form
    216,858.24/325,206.46 = 74,663.35/x
  3. Step 3: Cross multiply
    216,858.24x = 325,206.46 × 74,663.35
  4. Step 4: Simplify right side
    216,858.24x = 24,281,003,745.24
  5. Step 5: Solve for x
    x = 24,281,003,745.24/216,858.24
  6. Step 6: Final answer
    x = 111,967.17

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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.