Home / 192,437.25-265,563.81-128,926.77

Finding the Fourth Proportional to 192,437.25, 265,563.81 and 128,926.77

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Solution

The fourth proportional to 192,437.25, 265,563.81 and 128,926.77 is: 177,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,437.25 : 265,563.81 = 128,926.77 : x
  2. Step 2: Convert to fraction form
    192,437.25/265,563.81 = 128,926.77/x
  3. Step 3: Cross multiply
    192,437.25x = 265,563.81 × 128,926.77
  4. Step 4: Simplify right side
    192,437.25x = 34,238,284,252.19
  5. Step 5: Solve for x
    x = 34,238,284,252.19/192,437.25
  6. Step 6: Final answer
    x = 177,919.21

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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.