Home / 209,746.98-289,450.40-114,253.45

Finding the Fourth Proportional to 209,746.98, 289,450.40 and 114,253.45

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Solution

The fourth proportional to 209,746.98, 289,450.40 and 114,253.45 is: 157,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746.98 : 289,450.40 = 114,253.45 : x
  2. Step 2: Convert to fraction form
    209,746.98/289,450.40 = 114,253.45/x
  3. Step 3: Cross multiply
    209,746.98x = 289,450.40 × 114,253.45
  4. Step 4: Simplify right side
    209,746.98x = 33,070,705,508.99
  5. Step 5: Solve for x
    x = 33,070,705,508.99/209,746.98
  6. Step 6: Final answer
    x = 157,669.52

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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.