Home / 180,156.42-270,271.08-53,799.12

Finding the Fourth Proportional to 180,156.42, 270,271.08 and 53,799.12

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Solution

The fourth proportional to 180,156.42, 270,271.08 and 53,799.12 is: 80,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,156.42 : 270,271.08 = 53,799.12 : x
  2. Step 2: Convert to fraction form
    180,156.42/270,271.08 = 53,799.12/x
  3. Step 3: Cross multiply
    180,156.42x = 270,271.08 × 53,799.12
  4. Step 4: Simplify right side
    180,156.42x = 14,540,346,265.45
  5. Step 5: Solve for x
    x = 14,540,346,265.45/180,156.42
  6. Step 6: Final answer
    x = 80,709.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.