Home / 148,240.04-204,569.75-80,255.21

Finding the Fourth Proportional to 148,240.04, 204,569.75 and 80,255.21

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Solution

The fourth proportional to 148,240.04, 204,569.75 and 80,255.21 is: 110,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,240.04 : 204,569.75 = 80,255.21 : x
  2. Step 2: Convert to fraction form
    148,240.04/204,569.75 = 80,255.21/x
  3. Step 3: Cross multiply
    148,240.04x = 204,569.75 × 80,255.21
  4. Step 4: Simplify right side
    148,240.04x = 16,417,786,821.77
  5. Step 5: Solve for x
    x = 16,417,786,821.77/148,240.04
  6. Step 6: Final answer
    x = 110,751.37

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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.