Home / 210,731.22-290,828.48-125,846.46

Finding the Fourth Proportional to 210,731.22, 290,828.48 and 125,846.46

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Solution

The fourth proportional to 210,731.22, 290,828.48 and 125,846.46 is: 173,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,731.22 : 290,828.48 = 125,846.46 : x
  2. Step 2: Convert to fraction form
    210,731.22/290,828.48 = 125,846.46/x
  3. Step 3: Cross multiply
    210,731.22x = 290,828.48 × 125,846.46
  4. Step 4: Simplify right side
    210,731.22x = 36,599,734,045.95
  5. Step 5: Solve for x
    x = 36,599,734,045.95/210,731.22
  6. Step 6: Final answer
    x = 173,679.70

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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.