Home / 186,776.40-279,907.62-80,032.58

Finding the Fourth Proportional to 186,776.40, 279,907.62 and 80,032.58

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Solution

The fourth proportional to 186,776.40, 279,907.62 and 80,032.58 is: 119,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776.40 : 279,907.62 = 80,032.58 : x
  2. Step 2: Convert to fraction form
    186,776.40/279,907.62 = 80,032.58/x
  3. Step 3: Cross multiply
    186,776.40x = 279,907.62 × 80,032.58
  4. Step 4: Simplify right side
    186,776.40x = 22,401,727,740.78
  5. Step 5: Solve for x
    x = 22,401,727,740.78/186,776.40
  6. Step 6: Final answer
    x = 119,938.75

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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.