Home / 140,611.56-194,100.30-84,012.36

Finding the Fourth Proportional to 140,611.56, 194,100.30 and 84,012.36

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Solution

The fourth proportional to 140,611.56, 194,100.30 and 84,012.36 is: 115,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,611.56 : 194,100.30 = 84,012.36 : x
  2. Step 2: Convert to fraction form
    140,611.56/194,100.30 = 84,012.36/x
  3. Step 3: Cross multiply
    140,611.56x = 194,100.30 × 84,012.36
  4. Step 4: Simplify right side
    140,611.56x = 16,306,824,279.71
  5. Step 5: Solve for x
    x = 16,306,824,279.71/140,611.56
  6. Step 6: Final answer
    x = 115,970.72

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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.