Home / 148,554.27-205,002.09-84,022.38

Finding the Fourth Proportional to 148,554.27, 205,002.09 and 84,022.38

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Solution

The fourth proportional to 148,554.27, 205,002.09 and 84,022.38 is: 115,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,554.27 : 205,002.09 = 84,022.38 : x
  2. Step 2: Convert to fraction form
    148,554.27/205,002.09 = 84,022.38/x
  3. Step 3: Cross multiply
    148,554.27x = 205,002.09 × 84,022.38
  4. Step 4: Simplify right side
    148,554.27x = 17,224,763,506.77
  5. Step 5: Solve for x
    x = 17,224,763,506.77/148,554.27
  6. Step 6: Final answer
    x = 115,949.30

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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.