Home / 116,314.24-160,500.90-65,316.64

Finding the Fourth Proportional to 116,314.24, 160,500.90 and 65,316.64

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Solution

The fourth proportional to 116,314.24, 160,500.90 and 65,316.64 is: 90,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,314.24 : 160,500.90 = 65,316.64 : x
  2. Step 2: Convert to fraction form
    116,314.24/160,500.90 = 65,316.64/x
  3. Step 3: Cross multiply
    116,314.24x = 160,500.90 × 65,316.64
  4. Step 4: Simplify right side
    116,314.24x = 10,483,379,504.98
  5. Step 5: Solve for x
    x = 10,483,379,504.98/116,314.24
  6. Step 6: Final answer
    x = 90,129.80

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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.