Home / 209,678.31-289,346.04-114,184.44

Finding the Fourth Proportional to 209,678.31, 289,346.04 and 114,184.44

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Solution

The fourth proportional to 209,678.31, 289,346.04 and 114,184.44 is: 157,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,678.31 : 289,346.04 = 114,184.44 : x
  2. Step 2: Convert to fraction form
    209,678.31/289,346.04 = 114,184.44/x
  3. Step 3: Cross multiply
    209,678.31x = 289,346.04 × 114,184.44
  4. Step 4: Simplify right side
    209,678.31x = 33,038,815,543.62
  5. Step 5: Solve for x
    x = 33,038,815,543.62/209,678.31
  6. Step 6: Final answer
    x = 157,569.07

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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.