Home / 216,079.53-298,190.61-120,590.25

Finding the Fourth Proportional to 216,079.53, 298,190.61 and 120,590.25

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Solution

The fourth proportional to 216,079.53, 298,190.61 and 120,590.25 is: 166,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,079.53 : 298,190.61 = 120,590.25 : x
  2. Step 2: Convert to fraction form
    216,079.53/298,190.61 = 120,590.25/x
  3. Step 3: Cross multiply
    216,079.53x = 298,190.61 × 120,590.25
  4. Step 4: Simplify right side
    216,079.53x = 35,958,880,207.55
  5. Step 5: Solve for x
    x = 35,958,880,207.55/216,079.53
  6. Step 6: Final answer
    x = 166,415.02

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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.