Home / 148,111.24-204,393.06-81,043.24

Finding the Fourth Proportional to 148,111.24, 204,393.06 and 81,043.24

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Solution

The fourth proportional to 148,111.24, 204,393.06 and 81,043.24 is: 111,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,111.24 : 204,393.06 = 81,043.24 : x
  2. Step 2: Convert to fraction form
    148,111.24/204,393.06 = 81,043.24/x
  3. Step 3: Cross multiply
    148,111.24x = 204,393.06 × 81,043.24
  4. Step 4: Simplify right side
    148,111.24x = 16,564,675,815.91
  5. Step 5: Solve for x
    x = 16,564,675,815.91/148,111.24
  6. Step 6: Final answer
    x = 111,839.42

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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.