Home / 178,876.90-246,849.32-102,395.58

Finding the Fourth Proportional to 178,876.90, 246,849.32 and 102,395.58

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Solution

The fourth proportional to 178,876.90, 246,849.32 and 102,395.58 is: 141,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,876.90 : 246,849.32 = 102,395.58 : x
  2. Step 2: Convert to fraction form
    178,876.90/246,849.32 = 102,395.58/x
  3. Step 3: Cross multiply
    178,876.90x = 246,849.32 × 102,395.58
  4. Step 4: Simplify right side
    178,876.90x = 25,276,277,547.78
  5. Step 5: Solve for x
    x = 25,276,277,547.78/178,876.90
  6. Step 6: Final answer
    x = 141,305.43

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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.