Home / 186,938.03-280,498.53-115,841.63

Finding the Fourth Proportional to 186,938.03, 280,498.53 and 115,841.63

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Solution

The fourth proportional to 186,938.03, 280,498.53 and 115,841.63 is: 173,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,938.03 : 280,498.53 = 115,841.63 : x
  2. Step 2: Convert to fraction form
    186,938.03/280,498.53 = 115,841.63/x
  3. Step 3: Cross multiply
    186,938.03x = 280,498.53 × 115,841.63
  4. Step 4: Simplify right side
    186,938.03x = 32,493,405,525.31
  5. Step 5: Solve for x
    x = 32,493,405,525.31/186,938.03
  6. Step 6: Final answer
    x = 173,819.13

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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.