Home / 116,000.21-160,072.69-68,244.32

Finding the Fourth Proportional to 116,000.21, 160,072.69 and 68,244.32

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Solution

The fourth proportional to 116,000.21, 160,072.69 and 68,244.32 is: 94,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,000.21 : 160,072.69 = 68,244.32 : x
  2. Step 2: Convert to fraction form
    116,000.21/160,072.69 = 68,244.32/x
  3. Step 3: Cross multiply
    116,000.21x = 160,072.69 × 68,244.32
  4. Step 4: Simplify right side
    116,000.21x = 10,924,051,879.62
  5. Step 5: Solve for x
    x = 10,924,051,879.62/116,000.21
  6. Step 6: Final answer
    x = 94,172.69

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1.5x scale

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.