Home / 192,126.89-265,134.09-111,574.22

Finding the Fourth Proportional to 192,126.89, 265,134.09 and 111,574.22

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Solution

The fourth proportional to 192,126.89, 265,134.09 and 111,574.22 is: 153,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,126.89 : 265,134.09 = 111,574.22 : x
  2. Step 2: Convert to fraction form
    192,126.89/265,134.09 = 111,574.22/x
  3. Step 3: Cross multiply
    192,126.89x = 265,134.09 × 111,574.22
  4. Step 4: Simplify right side
    192,126.89x = 29,582,128,379.89
  5. Step 5: Solve for x
    x = 29,582,128,379.89/192,126.89
  6. Step 6: Final answer
    x = 153,971.83

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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.