Home / 98,813.67-148,220.23-76,357.03

Finding the Fourth Proportional to 98,813.67, 148,220.23 and 76,357.03

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Solution

The fourth proportional to 98,813.67, 148,220.23 and 76,357.03 is: 114,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,813.67 : 148,220.23 = 76,357.03 : x
  2. Step 2: Convert to fraction form
    98,813.67/148,220.23 = 76,357.03/x
  3. Step 3: Cross multiply
    98,813.67x = 148,220.23 × 76,357.03
  4. Step 4: Simplify right side
    98,813.67x = 11,317,656,408.36
  5. Step 5: Solve for x
    x = 11,317,656,408.36/98,813.67
  6. Step 6: Final answer
    x = 114,535.33

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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.