Home / 144,016.98-198,818.19-105,211.26

Finding the Fourth Proportional to 144,016.98, 198,818.19 and 105,211.26

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Solution

The fourth proportional to 144,016.98, 198,818.19 and 105,211.26 is: 145,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,016.98 : 198,818.19 = 105,211.26 : x
  2. Step 2: Convert to fraction form
    144,016.98/198,818.19 = 105,211.26/x
  3. Step 3: Cross multiply
    144,016.98x = 198,818.19 × 105,211.26
  4. Step 4: Simplify right side
    144,016.98x = 20,917,912,280.82
  5. Step 5: Solve for x
    x = 20,917,912,280.82/144,016.98
  6. Step 6: Final answer
    x = 145,246.15

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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.