Home / 216,315.34-324,243.24-127,610.62

Finding the Fourth Proportional to 216,315.34, 324,243.24 and 127,610.62

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Solution

The fourth proportional to 216,315.34, 324,243.24 and 127,610.62 is: 191,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,315.34 : 324,243.24 = 127,610.62 : x
  2. Step 2: Convert to fraction form
    216,315.34/324,243.24 = 127,610.62/x
  3. Step 3: Cross multiply
    216,315.34x = 324,243.24 × 127,610.62
  4. Step 4: Simplify right side
    216,315.34x = 41,376,880,887.21
  5. Step 5: Solve for x
    x = 41,376,880,887.21/216,315.34
  6. Step 6: Final answer
    x = 191,280.38

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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.