Home / 208,986.98-288,490.33-141,095.92

Finding the Fourth Proportional to 208,986.98, 288,490.33 and 141,095.92

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Solution

The fourth proportional to 208,986.98, 288,490.33 and 141,095.92 is: 194,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,986.98 : 288,490.33 = 141,095.92 : x
  2. Step 2: Convert to fraction form
    208,986.98/288,490.33 = 141,095.92/x
  3. Step 3: Cross multiply
    208,986.98x = 288,490.33 × 141,095.92
  4. Step 4: Simplify right side
    208,986.98x = 40,704,808,522.45
  5. Step 5: Solve for x
    x = 40,704,808,522.45/208,986.98
  6. Step 6: Final answer
    x = 194,771.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.