Home / 127,623.09-191,434.62-34,126.41

Finding the Fourth Proportional to 127,623.09, 191,434.62 and 34,126.41

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Solution

The fourth proportional to 127,623.09, 191,434.62 and 34,126.41 is: 51,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.09 : 191,434.62 = 34,126.41 : x
  2. Step 2: Convert to fraction form
    127,623.09/191,434.62 = 34,126.41/x
  3. Step 3: Cross multiply
    127,623.09x = 191,434.62 × 34,126.41
  4. Step 4: Simplify right side
    127,623.09x = 6,532,976,330.31
  5. Step 5: Solve for x
    x = 6,532,976,330.31/127,623.09
  6. Step 6: Final answer
    x = 51,189.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.