Home / 186,775.07-280,198.60-60,446.66

Finding the Fourth Proportional to 186,775.07, 280,198.60 and 60,446.66

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Solution

The fourth proportional to 186,775.07, 280,198.60 and 60,446.66 is: 90,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,775.07 : 280,198.60 = 60,446.66 : x
  2. Step 2: Convert to fraction form
    186,775.07/280,198.60 = 60,446.66/x
  3. Step 3: Cross multiply
    186,775.07x = 280,198.60 × 60,446.66
  4. Step 4: Simplify right side
    186,775.07x = 16,937,069,870.70
  5. Step 5: Solve for x
    x = 16,937,069,870.70/186,775.07
  6. Step 6: Final answer
    x = 90,681.64

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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.