Home / 141,060.95-211,609.84-74,503.72

Finding the Fourth Proportional to 141,060.95, 211,609.84 and 74,503.72

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Solution

The fourth proportional to 141,060.95, 211,609.84 and 74,503.72 is: 111,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,060.95 : 211,609.84 = 74,503.72 : x
  2. Step 2: Convert to fraction form
    141,060.95/211,609.84 = 74,503.72/x
  3. Step 3: Cross multiply
    141,060.95x = 211,609.84 × 74,503.72
  4. Step 4: Simplify right side
    141,060.95x = 15,765,720,268.60
  5. Step 5: Solve for x
    x = 15,765,720,268.60/141,060.95
  6. Step 6: Final answer
    x = 111,765.31

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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.