Home / 116,576.56-160,879.68-74,134.16

Finding the Fourth Proportional to 116,576.56, 160,879.68 and 74,134.16

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Solution

The fourth proportional to 116,576.56, 160,879.68 and 74,134.16 is: 102,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,576.56 : 160,879.68 = 74,134.16 : x
  2. Step 2: Convert to fraction form
    116,576.56/160,879.68 = 74,134.16/x
  3. Step 3: Cross multiply
    116,576.56x = 160,879.68 × 74,134.16
  4. Step 4: Simplify right side
    116,576.56x = 11,926,679,937.87
  5. Step 5: Solve for x
    x = 11,926,679,937.87/116,576.56
  6. Step 6: Final answer
    x = 102,307.70

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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.