Home / 178,840.30-246,821.07-107,259.70

Finding the Fourth Proportional to 178,840.30, 246,821.07 and 107,259.70

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Solution

The fourth proportional to 178,840.30, 246,821.07 and 107,259.70 is: 148,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,840.30 : 246,821.07 = 107,259.70 : x
  2. Step 2: Convert to fraction form
    178,840.30/246,821.07 = 107,259.70/x
  3. Step 3: Cross multiply
    178,840.30x = 246,821.07 × 107,259.70
  4. Step 4: Simplify right side
    178,840.30x = 26,473,953,921.88
  5. Step 5: Solve for x
    x = 26,473,953,921.88/178,840.30
  6. Step 6: Final answer
    x = 148,031.25

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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.