Home / 130,384.41-179,924.26-80,073.69

Finding the Fourth Proportional to 130,384.41, 179,924.26 and 80,073.69

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Solution

The fourth proportional to 130,384.41, 179,924.26 and 80,073.69 is: 110,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,384.41 : 179,924.26 = 80,073.69 : x
  2. Step 2: Convert to fraction form
    130,384.41/179,924.26 = 80,073.69/x
  3. Step 3: Cross multiply
    130,384.41x = 179,924.26 × 80,073.69
  4. Step 4: Simplify right side
    130,384.41x = 14,407,199,418.72
  5. Step 5: Solve for x
    x = 14,407,199,418.72/130,384.41
  6. Step 6: Final answer
    x = 110,497.87

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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.