Home / 116,656.06-160,989-66,358.30

Finding the Fourth Proportional to 116,656.06, 160,989 and 66,358.30

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Solution

The fourth proportional to 116,656.06, 160,989 and 66,358.30 is: 91,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,656.06 : 160,989 = 66,358.30 : x
  2. Step 2: Convert to fraction form
    116,656.06/160,989 = 66,358.30/x
  3. Step 3: Cross multiply
    116,656.06x = 160,989 × 66,358.30
  4. Step 4: Simplify right side
    116,656.06x = 10,682,956,358.70
  5. Step 5: Solve for x
    x = 10,682,956,358.70/116,656.06
  6. Step 6: Final answer
    x = 91,576.52

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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.