Home / 148,022.48-204,266.84-80,953.04

Finding the Fourth Proportional to 148,022.48, 204,266.84 and 80,953.04

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Solution

The fourth proportional to 148,022.48, 204,266.84 and 80,953.04 is: 111,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,022.48 : 204,266.84 = 80,953.04 : x
  2. Step 2: Convert to fraction form
    148,022.48/204,266.84 = 80,953.04/x
  3. Step 3: Cross multiply
    148,022.48x = 204,266.84 × 80,953.04
  4. Step 4: Simplify right side
    148,022.48x = 16,536,021,669.19
  5. Step 5: Solve for x
    x = 16,536,021,669.19/148,022.48
  6. Step 6: Final answer
    x = 111,712.91

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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.