Home / 216,390.03-324,628.79-74,230.17

Finding the Fourth Proportional to 216,390.03, 324,628.79 and 74,230.17

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Solution

The fourth proportional to 216,390.03, 324,628.79 and 74,230.17 is: 111,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,390.03 : 324,628.79 = 74,230.17 : x
  2. Step 2: Convert to fraction form
    216,390.03/324,628.79 = 74,230.17/x
  3. Step 3: Cross multiply
    216,390.03x = 324,628.79 × 74,230.17
  4. Step 4: Simplify right side
    216,390.03x = 24,097,249,897.44
  5. Step 5: Solve for x
    x = 24,097,249,897.44/216,390.03
  6. Step 6: Final answer
    x = 111,360.26

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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.