Home / 116,558.28-174,584.70-72,196.20

Finding the Fourth Proportional to 116,558.28, 174,584.70 and 72,196.20

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Solution

The fourth proportional to 116,558.28, 174,584.70 and 72,196.20 is: 108,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.28 : 174,584.70 = 72,196.20 : x
  2. Step 2: Convert to fraction form
    116,558.28/174,584.70 = 72,196.20/x
  3. Step 3: Cross multiply
    116,558.28x = 174,584.70 × 72,196.20
  4. Step 4: Simplify right side
    116,558.28x = 12,604,351,918.14
  5. Step 5: Solve for x
    x = 12,604,351,918.14/116,558.28
  6. Step 6: Final answer
    x = 108,137.77

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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.