Home / 116,879.46-161,293.77-74,462.70

Finding the Fourth Proportional to 116,879.46, 161,293.77 and 74,462.70

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Solution

The fourth proportional to 116,879.46, 161,293.77 and 74,462.70 is: 102,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,879.46 : 161,293.77 = 74,462.70 : x
  2. Step 2: Convert to fraction form
    116,879.46/161,293.77 = 74,462.70/x
  3. Step 3: Cross multiply
    116,879.46x = 161,293.77 × 74,462.70
  4. Step 4: Simplify right side
    116,879.46x = 12,010,369,607.38
  5. Step 5: Solve for x
    x = 12,010,369,607.38/116,879.46
  6. Step 6: Final answer
    x = 102,758.60

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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.