Home / 186,885.18-280,462.32-74,500.38

Finding the Fourth Proportional to 186,885.18, 280,462.32 and 74,500.38

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Solution

The fourth proportional to 186,885.18, 280,462.32 and 74,500.38 is: 111,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,885.18 : 280,462.32 = 74,500.38 : x
  2. Step 2: Convert to fraction form
    186,885.18/280,462.32 = 74,500.38/x
  3. Step 3: Cross multiply
    186,885.18x = 280,462.32 × 74,500.38
  4. Step 4: Simplify right side
    186,885.18x = 20,894,549,415.68
  5. Step 5: Solve for x
    x = 20,894,549,415.68/186,885.18
  6. Step 6: Final answer
    x = 111,804.21

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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.