Home / 205,522.60-308,370.30-112,095.40

Finding the Fourth Proportional to 205,522.60, 308,370.30 and 112,095.40

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Solution

The fourth proportional to 205,522.60, 308,370.30 and 112,095.40 is: 168,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,522.60 : 308,370.30 = 112,095.40 : x
  2. Step 2: Convert to fraction form
    205,522.60/308,370.30 = 112,095.40/x
  3. Step 3: Cross multiply
    205,522.60x = 308,370.30 × 112,095.40
  4. Step 4: Simplify right side
    205,522.60x = 34,566,892,126.62
  5. Step 5: Solve for x
    x = 34,566,892,126.62/205,522.60
  6. Step 6: Final answer
    x = 168,190.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.