Home / 116,240.56-160,471.20-82,275.64

Finding the Fourth Proportional to 116,240.56, 160,471.20 and 82,275.64

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Solution

The fourth proportional to 116,240.56, 160,471.20 and 82,275.64 is: 113,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,240.56 : 160,471.20 = 82,275.64 : x
  2. Step 2: Convert to fraction form
    116,240.56/160,471.20 = 82,275.64/x
  3. Step 3: Cross multiply
    116,240.56x = 160,471.20 × 82,275.64
  4. Step 4: Simplify right side
    116,240.56x = 13,202,870,681.57
  5. Step 5: Solve for x
    x = 13,202,870,681.57/116,240.56
  6. Step 6: Final answer
    x = 113,582.30

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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.