Home / 216,541.55-324,731.43-74,346.46

Finding the Fourth Proportional to 216,541.55, 324,731.43 and 74,346.46

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Solution

The fourth proportional to 216,541.55, 324,731.43 and 74,346.46 is: 111,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,541.55 : 324,731.43 = 74,346.46 : x
  2. Step 2: Convert to fraction form
    216,541.55/324,731.43 = 74,346.46/x
  3. Step 3: Cross multiply
    216,541.55x = 324,731.43 × 74,346.46
  4. Step 4: Simplify right side
    216,541.55x = 24,142,631,459.41
  5. Step 5: Solve for x
    x = 24,142,631,459.41/216,541.55
  6. Step 6: Final answer
    x = 111,491.91

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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.