Home / 166,805.69-230,191.98-90,325.39

Finding the Fourth Proportional to 166,805.69, 230,191.98 and 90,325.39

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Solution

The fourth proportional to 166,805.69, 230,191.98 and 90,325.39 is: 124,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,805.69 : 230,191.98 = 90,325.39 : x
  2. Step 2: Convert to fraction form
    166,805.69/230,191.98 = 90,325.39/x
  3. Step 3: Cross multiply
    166,805.69x = 230,191.98 × 90,325.39
  4. Step 4: Simplify right side
    166,805.69x = 20,792,180,368.37
  5. Step 5: Solve for x
    x = 20,792,180,368.37/166,805.69
  6. Step 6: Final answer
    x = 124,649.11

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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.