Home / 148,567.23-205,021.58-80,584.03

Finding the Fourth Proportional to 148,567.23, 205,021.58 and 80,584.03

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Solution

The fourth proportional to 148,567.23, 205,021.58 and 80,584.03 is: 111,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,567.23 : 205,021.58 = 80,584.03 : x
  2. Step 2: Convert to fraction form
    148,567.23/205,021.58 = 80,584.03/x
  3. Step 3: Cross multiply
    148,567.23x = 205,021.58 × 80,584.03
  4. Step 4: Simplify right side
    148,567.23x = 16,521,465,460.01
  5. Step 5: Solve for x
    x = 16,521,465,460.01/148,567.23
  6. Step 6: Final answer
    x = 111,205.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.