Home / 120,177.12-180,255.60-37,071.84

Finding the Fourth Proportional to 120,177.12, 180,255.60 and 37,071.84

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Solution

The fourth proportional to 120,177.12, 180,255.60 and 37,071.84 is: 55,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,177.12 : 180,255.60 = 37,071.84 : x
  2. Step 2: Convert to fraction form
    120,177.12/180,255.60 = 37,071.84/x
  3. Step 3: Cross multiply
    120,177.12x = 180,255.60 × 37,071.84
  4. Step 4: Simplify right side
    120,177.12x = 6,682,406,762.30
  5. Step 5: Solve for x
    x = 6,682,406,762.30/120,177.12
  6. Step 6: Final answer
    x = 55,604.65

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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.