Home / 186,593.72-279,810.62-86,743.50

Finding the Fourth Proportional to 186,593.72, 279,810.62 and 86,743.50

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Solution

The fourth proportional to 186,593.72, 279,810.62 and 86,743.50 is: 130,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,593.72 : 279,810.62 = 86,743.50 : x
  2. Step 2: Convert to fraction form
    186,593.72/279,810.62 = 86,743.50/x
  3. Step 3: Cross multiply
    186,593.72x = 279,810.62 × 86,743.50
  4. Step 4: Simplify right side
    186,593.72x = 24,271,752,515.97
  5. Step 5: Solve for x
    x = 24,271,752,515.97/186,593.72
  6. Step 6: Final answer
    x = 130,078.08

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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.