Home / 178,784.36-246,651.90-115,159.04

Finding the Fourth Proportional to 178,784.36, 246,651.90 and 115,159.04

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Solution

The fourth proportional to 178,784.36, 246,651.90 and 115,159.04 is: 158,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,784.36 : 246,651.90 = 115,159.04 : x
  2. Step 2: Convert to fraction form
    178,784.36/246,651.90 = 115,159.04/x
  3. Step 3: Cross multiply
    178,784.36x = 246,651.90 × 115,159.04
  4. Step 4: Simplify right side
    178,784.36x = 28,404,196,018.18
  5. Step 5: Solve for x
    x = 28,404,196,018.18/178,784.36
  6. Step 6: Final answer
    x = 158,874.05

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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.