Home / 141,214.18-194,879.55-77,556.08

Finding the Fourth Proportional to 141,214.18, 194,879.55 and 77,556.08

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Solution

The fourth proportional to 141,214.18, 194,879.55 and 77,556.08 is: 107,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,214.18 : 194,879.55 = 77,556.08 : x
  2. Step 2: Convert to fraction form
    141,214.18/194,879.55 = 77,556.08/x
  3. Step 3: Cross multiply
    141,214.18x = 194,879.55 × 77,556.08
  4. Step 4: Simplify right side
    141,214.18x = 15,114,092,995.77
  5. Step 5: Solve for x
    x = 15,114,092,995.77/141,214.18
  6. Step 6: Final answer
    x = 107,029.57

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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.