Home / 192,479.40-265,616.70-107,604.36

Finding the Fourth Proportional to 192,479.40, 265,616.70 and 107,604.36

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Solution

The fourth proportional to 192,479.40, 265,616.70 and 107,604.36 is: 148,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479.40 : 265,616.70 = 107,604.36 : x
  2. Step 2: Convert to fraction form
    192,479.40/265,616.70 = 107,604.36/x
  3. Step 3: Cross multiply
    192,479.40x = 265,616.70 × 107,604.36
  4. Step 4: Simplify right side
    192,479.40x = 28,581,515,008.81
  5. Step 5: Solve for x
    x = 28,581,515,008.81/192,479.40
  6. Step 6: Final answer
    x = 148,491.29

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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.