Home / 189,185.16-261,093.92-141,355.47

Finding the Fourth Proportional to 189,185.16, 261,093.92 and 141,355.47

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Solution

The fourth proportional to 189,185.16, 261,093.92 and 141,355.47 is: 195,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,185.16 : 261,093.92 = 141,355.47 : x
  2. Step 2: Convert to fraction form
    189,185.16/261,093.92 = 141,355.47/x
  3. Step 3: Cross multiply
    189,185.16x = 261,093.92 × 141,355.47
  4. Step 4: Simplify right side
    189,185.16x = 36,907,054,048.07
  5. Step 5: Solve for x
    x = 36,907,054,048.07/189,185.16
  6. Step 6: Final answer
    x = 195,084.29

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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.