Home / 120,319.08-180,476.46-41,431.56

Finding the Fourth Proportional to 120,319.08, 180,476.46 and 41,431.56

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Solution

The fourth proportional to 120,319.08, 180,476.46 and 41,431.56 is: 62,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,319.08 : 180,476.46 = 41,431.56 : x
  2. Step 2: Convert to fraction form
    120,319.08/180,476.46 = 41,431.56/x
  3. Step 3: Cross multiply
    120,319.08x = 180,476.46 × 41,431.56
  4. Step 4: Simplify right side
    120,319.08x = 7,477,421,281.08
  5. Step 5: Solve for x
    x = 7,477,421,281.08/120,319.08
  6. Step 6: Final answer
    x = 62,146.60

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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.