Home / 216,448.04-298,692.78-120,955.52

Finding the Fourth Proportional to 216,448.04, 298,692.78 and 120,955.52

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Solution

The fourth proportional to 216,448.04, 298,692.78 and 120,955.52 is: 166,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,448.04 : 298,692.78 = 120,955.52 : x
  2. Step 2: Convert to fraction form
    216,448.04/298,692.78 = 120,955.52/x
  3. Step 3: Cross multiply
    216,448.04x = 298,692.78 × 120,955.52
  4. Step 4: Simplify right side
    216,448.04x = 36,128,540,525.15
  5. Step 5: Solve for x
    x = 36,128,540,525.15/216,448.04
  6. Step 6: Final answer
    x = 166,915.54

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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.