Home / 101,836.16-140,544.27-56,514.45

Finding the Fourth Proportional to 101,836.16, 140,544.27 and 56,514.45

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Solution

The fourth proportional to 101,836.16, 140,544.27 and 56,514.45 is: 77,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,836.16 : 140,544.27 = 56,514.45 : x
  2. Step 2: Convert to fraction form
    101,836.16/140,544.27 = 56,514.45/x
  3. Step 3: Cross multiply
    101,836.16x = 140,544.27 × 56,514.45
  4. Step 4: Simplify right side
    101,836.16x = 7,942,782,119.70
  5. Step 5: Solve for x
    x = 7,942,782,119.70/101,836.16
  6. Step 6: Final answer
    x = 77,995.70

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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.