Home / 192,690.45-265,877.10-112,088.57

Finding the Fourth Proportional to 192,690.45, 265,877.10 and 112,088.57

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Solution

The fourth proportional to 192,690.45, 265,877.10 and 112,088.57 is: 154,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,690.45 : 265,877.10 = 112,088.57 : x
  2. Step 2: Convert to fraction form
    192,690.45/265,877.10 = 112,088.57/x
  3. Step 3: Cross multiply
    192,690.45x = 265,877.10 × 112,088.57
  4. Step 4: Simplify right side
    192,690.45x = 29,801,782,605.36
  5. Step 5: Solve for x
    x = 29,801,782,605.36/192,690.45
  6. Step 6: Final answer
    x = 154,661.44

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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.