Home / 116,628.12-160,968.78-73,040.88

Finding the Fourth Proportional to 116,628.12, 160,968.78 and 73,040.88

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Solution

The fourth proportional to 116,628.12, 160,968.78 and 73,040.88 is: 100,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,628.12 : 160,968.78 = 73,040.88 : x
  2. Step 2: Convert to fraction form
    116,628.12/160,968.78 = 73,040.88/x
  3. Step 3: Cross multiply
    116,628.12x = 160,968.78 × 73,040.88
  4. Step 4: Simplify right side
    116,628.12x = 11,757,301,343.73
  5. Step 5: Solve for x
    x = 11,757,301,343.73/116,628.12
  6. Step 6: Final answer
    x = 100,810.18

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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.