Home / 116,040.36-160,135.14-65,739.24

Finding the Fourth Proportional to 116,040.36, 160,135.14 and 65,739.24

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Solution

The fourth proportional to 116,040.36, 160,135.14 and 65,739.24 is: 90,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,040.36 : 160,135.14 = 65,739.24 : x
  2. Step 2: Convert to fraction form
    116,040.36/160,135.14 = 65,739.24/x
  3. Step 3: Cross multiply
    116,040.36x = 160,135.14 × 65,739.24
  4. Step 4: Simplify right side
    116,040.36x = 10,527,162,400.89
  5. Step 5: Solve for x
    x = 10,527,162,400.89/116,040.36
  6. Step 6: Final answer
    x = 90,719.84

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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.