Home / 141,117.64-211,713.35-81,896.38

Finding the Fourth Proportional to 141,117.64, 211,713.35 and 81,896.38

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Solution

The fourth proportional to 141,117.64, 211,713.35 and 81,896.38 is: 122,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,117.64 : 211,713.35 = 81,896.38 : x
  2. Step 2: Convert to fraction form
    141,117.64/211,713.35 = 81,896.38/x
  3. Step 3: Cross multiply
    141,117.64x = 211,713.35 × 81,896.38
  4. Step 4: Simplify right side
    141,117.64x = 17,338,556,553.19
  5. Step 5: Solve for x
    x = 17,338,556,553.19/141,117.64
  6. Step 6: Final answer
    x = 122,865.98

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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.