Home / 104,006.70-156,014.37-86,599.26

Finding the Fourth Proportional to 104,006.70, 156,014.37 and 86,599.26

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Solution

The fourth proportional to 104,006.70, 156,014.37 and 86,599.26 is: 129,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.70 : 156,014.37 = 86,599.26 : x
  2. Step 2: Convert to fraction form
    104,006.70/156,014.37 = 86,599.26/x
  3. Step 3: Cross multiply
    104,006.70x = 156,014.37 × 86,599.26
  4. Step 4: Simplify right side
    104,006.70x = 13,510,728,991.37
  5. Step 5: Solve for x
    x = 13,510,728,991.37/104,006.70
  6. Step 6: Final answer
    x = 129,902.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.