Home / 166,839.68-230,237.60-90,357.05

Finding the Fourth Proportional to 166,839.68, 230,237.60 and 90,357.05

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Solution

The fourth proportional to 166,839.68, 230,237.60 and 90,357.05 is: 124,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,839.68 : 230,237.60 = 90,357.05 : x
  2. Step 2: Convert to fraction form
    166,839.68/230,237.60 = 90,357.05/x
  3. Step 3: Cross multiply
    166,839.68x = 230,237.60 × 90,357.05
  4. Step 4: Simplify right side
    166,839.68x = 20,803,590,458.89
  5. Step 5: Solve for x
    x = 20,803,590,458.89/166,839.68
  6. Step 6: Final answer
    x = 124,692.10

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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.