Home / 122,858.39-169,596.89-82,595.50

Finding the Fourth Proportional to 122,858.39, 169,596.89 and 82,595.50

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Solution

The fourth proportional to 122,858.39, 169,596.89 and 82,595.50 is: 114,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,858.39 : 169,596.89 = 82,595.50 : x
  2. Step 2: Convert to fraction form
    122,858.39/169,596.89 = 82,595.50/x
  3. Step 3: Cross multiply
    122,858.39x = 169,596.89 × 82,595.50
  4. Step 4: Simplify right side
    122,858.39x = 14,007,939,515.02
  5. Step 5: Solve for x
    x = 14,007,939,515.02/122,858.39
  6. Step 6: Final answer
    x = 114,016.96

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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.