Home / 154,464.90-213,179.52-94,070.94

Finding the Fourth Proportional to 154,464.90, 213,179.52 and 94,070.94

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Solution

The fourth proportional to 154,464.90, 213,179.52 and 94,070.94 is: 129,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464.90 : 213,179.52 = 94,070.94 : x
  2. Step 2: Convert to fraction form
    154,464.90/213,179.52 = 94,070.94/x
  3. Step 3: Cross multiply
    154,464.90x = 213,179.52 × 94,070.94
  4. Step 4: Simplify right side
    154,464.90x = 20,053,997,835.15
  5. Step 5: Solve for x
    x = 20,053,997,835.15/154,464.90
  6. Step 6: Final answer
    x = 129,828.83

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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.