Home / 102,399.09-153,628.87-52,514.13

Finding the Fourth Proportional to 102,399.09, 153,628.87 and 52,514.13

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Solution

The fourth proportional to 102,399.09, 153,628.87 and 52,514.13 is: 78,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,399.09 : 153,628.87 = 52,514.13 : x
  2. Step 2: Convert to fraction form
    102,399.09/153,628.87 = 52,514.13/x
  3. Step 3: Cross multiply
    102,399.09x = 153,628.87 × 52,514.13
  4. Step 4: Simplify right side
    102,399.09x = 8,067,686,450.93
  5. Step 5: Solve for x
    x = 8,067,686,450.93/102,399.09
  6. Step 6: Final answer
    x = 78,786.70

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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.