Home / 208,895.40-313,343.10-186,150.60

Finding the Fourth Proportional to 208,895.40, 313,343.10 and 186,150.60

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Solution

The fourth proportional to 208,895.40, 313,343.10 and 186,150.60 is: 279,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,895.40 : 313,343.10 = 186,150.60 : x
  2. Step 2: Convert to fraction form
    208,895.40/313,343.10 = 186,150.60/x
  3. Step 3: Cross multiply
    208,895.40x = 313,343.10 × 186,150.60
  4. Step 4: Simplify right side
    208,895.40x = 58,329,006,070.86
  5. Step 5: Solve for x
    x = 58,329,006,070.86/208,895.40
  6. Step 6: Final answer
    x = 279,225.90

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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.