Home / 166,840.16-230,238.28-90,357.48

Finding the Fourth Proportional to 166,840.16, 230,238.28 and 90,357.48

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Solution

The fourth proportional to 166,840.16, 230,238.28 and 90,357.48 is: 124,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.16 : 230,238.28 = 90,357.48 : x
  2. Step 2: Convert to fraction form
    166,840.16/230,238.28 = 90,357.48/x
  3. Step 3: Cross multiply
    166,840.16x = 230,238.28 × 90,357.48
  4. Step 4: Simplify right side
    166,840.16x = 20,803,750,780.33
  5. Step 5: Solve for x
    x = 20,803,750,780.33/166,840.16
  6. Step 6: Final answer
    x = 124,692.70

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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.