Home / 205,095.40-307,311.90-116,084.20

Finding the Fourth Proportional to 205,095.40, 307,311.90 and 116,084.20

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Solution

The fourth proportional to 205,095.40, 307,311.90 and 116,084.20 is: 173,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,095.40 : 307,311.90 = 116,084.20 : x
  2. Step 2: Convert to fraction form
    205,095.40/307,311.90 = 116,084.20/x
  3. Step 3: Cross multiply
    205,095.40x = 307,311.90 × 116,084.20
  4. Step 4: Simplify right side
    205,095.40x = 35,674,056,061.98
  5. Step 5: Solve for x
    x = 35,674,056,061.98/205,095.40
  6. Step 6: Final answer
    x = 173,938.84

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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.