Home / 144,554.52-199,447.40-83,285.72

Finding the Fourth Proportional to 144,554.52, 199,447.40 and 83,285.72

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Solution

The fourth proportional to 144,554.52, 199,447.40 and 83,285.72 is: 114,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,554.52 : 199,447.40 = 83,285.72 : x
  2. Step 2: Convert to fraction form
    144,554.52/199,447.40 = 83,285.72/x
  3. Step 3: Cross multiply
    144,554.52x = 199,447.40 × 83,285.72
  4. Step 4: Simplify right side
    144,554.52x = 16,611,120,311.13
  5. Step 5: Solve for x
    x = 16,611,120,311.13/144,554.52
  6. Step 6: Final answer
    x = 114,912.49

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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.