Home / 141,567.12-212,202.60-52,782

Finding the Fourth Proportional to 141,567.12, 212,202.60 and 52,782

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Solution

The fourth proportional to 141,567.12, 212,202.60 and 52,782 is: 79,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,567.12 : 212,202.60 = 52,782 : x
  2. Step 2: Convert to fraction form
    141,567.12/212,202.60 = 52,782/x
  3. Step 3: Cross multiply
    141,567.12x = 212,202.60 × 52,782
  4. Step 4: Simplify right side
    141,567.12x = 11,200,477,633.20
  5. Step 5: Solve for x
    x = 11,200,477,633.20/141,567.12
  6. Step 6: Final answer
    x = 79,117.79

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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.