Home / 141,450.55-195,186.99-81,023.74

Finding the Fourth Proportional to 141,450.55, 195,186.99 and 81,023.74

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Solution

The fourth proportional to 141,450.55, 195,186.99 and 81,023.74 is: 111,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,450.55 : 195,186.99 = 81,023.74 : x
  2. Step 2: Convert to fraction form
    141,450.55/195,186.99 = 81,023.74/x
  3. Step 3: Cross multiply
    141,450.55x = 195,186.99 × 81,023.74
  4. Step 4: Simplify right side
    141,450.55x = 15,814,779,929.14
  5. Step 5: Solve for x
    x = 15,814,779,929.14/141,450.55
  6. Step 6: Final answer
    x = 111,804.30

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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.