Home / 178,393.78-246,312.56-114,842.28

Finding the Fourth Proportional to 178,393.78, 246,312.56 and 114,842.28

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Solution

The fourth proportional to 178,393.78, 246,312.56 and 114,842.28 is: 158,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,393.78 : 246,312.56 = 114,842.28 : x
  2. Step 2: Convert to fraction form
    178,393.78/246,312.56 = 114,842.28/x
  3. Step 3: Cross multiply
    178,393.78x = 246,312.56 × 114,842.28
  4. Step 4: Simplify right side
    178,393.78x = 28,287,095,983.04
  5. Step 5: Solve for x
    x = 28,287,095,983.04/178,393.78
  6. Step 6: Final answer
    x = 158,565.48

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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.