Home / 141,514.10-195,284.53-77,851.22

Finding the Fourth Proportional to 141,514.10, 195,284.53 and 77,851.22

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Solution

The fourth proportional to 141,514.10, 195,284.53 and 77,851.22 is: 107,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,514.10 : 195,284.53 = 77,851.22 : x
  2. Step 2: Convert to fraction form
    141,514.10/195,284.53 = 77,851.22/x
  3. Step 3: Cross multiply
    141,514.10x = 195,284.53 × 77,851.22
  4. Step 4: Simplify right side
    141,514.10x = 15,203,138,907.63
  5. Step 5: Solve for x
    x = 15,203,138,907.63/141,514.10
  6. Step 6: Final answer
    x = 107,431.97

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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.