Home / 149,021.70-223,532.55-98,283.30

Finding the Fourth Proportional to 149,021.70, 223,532.55 and 98,283.30

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Solution

The fourth proportional to 149,021.70, 223,532.55 and 98,283.30 is: 147,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.70 : 223,532.55 = 98,283.30 : x
  2. Step 2: Convert to fraction form
    149,021.70/223,532.55 = 98,283.30/x
  3. Step 3: Cross multiply
    149,021.70x = 223,532.55 × 98,283.30
  4. Step 4: Simplify right side
    149,021.70x = 21,969,516,671.42
  5. Step 5: Solve for x
    x = 21,969,516,671.42/149,021.70
  6. Step 6: Final answer
    x = 147,424.95

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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.