Home / 103,566.18-142,918.11-58,246.14

Finding the Fourth Proportional to 103,566.18, 142,918.11 and 58,246.14

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Solution

The fourth proportional to 103,566.18, 142,918.11 and 58,246.14 is: 80,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,566.18 : 142,918.11 = 58,246.14 : x
  2. Step 2: Convert to fraction form
    103,566.18/142,918.11 = 58,246.14/x
  3. Step 3: Cross multiply
    103,566.18x = 142,918.11 × 58,246.14
  4. Step 4: Simplify right side
    103,566.18x = 8,324,428,243.60
  5. Step 5: Solve for x
    x = 8,324,428,243.60/103,566.18
  6. Step 6: Final answer
    x = 80,377.86

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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.