Home / 116,220.64-160,379.76-65,918.56

Finding the Fourth Proportional to 116,220.64, 160,379.76 and 65,918.56

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Solution

The fourth proportional to 116,220.64, 160,379.76 and 65,918.56 is: 90,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,220.64 : 160,379.76 = 65,918.56 : x
  2. Step 2: Convert to fraction form
    116,220.64/160,379.76 = 65,918.56/x
  3. Step 3: Cross multiply
    116,220.64x = 160,379.76 × 65,918.56
  4. Step 4: Simplify right side
    116,220.64x = 10,572,002,832.35
  5. Step 5: Solve for x
    x = 10,572,002,832.35/116,220.64
  6. Step 6: Final answer
    x = 90,964.93

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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.