Home / 192,953.12-266,308.26-112,428.37

Finding the Fourth Proportional to 192,953.12, 266,308.26 and 112,428.37

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Solution

The fourth proportional to 192,953.12, 266,308.26 and 112,428.37 is: 155,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,953.12 : 266,308.26 = 112,428.37 : x
  2. Step 2: Convert to fraction form
    192,953.12/266,308.26 = 112,428.37/x
  3. Step 3: Cross multiply
    192,953.12x = 266,308.26 × 112,428.37
  4. Step 4: Simplify right side
    192,953.12x = 29,940,602,257.79
  5. Step 5: Solve for x
    x = 29,940,602,257.79/192,953.12
  6. Step 6: Final answer
    x = 155,170.35

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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.