Home / 276,900.26-415,350.34-66,538.19

Finding the Fourth Proportional to 276,900.26, 415,350.34 and 66,538.19

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Solution

The fourth proportional to 276,900.26, 415,350.34 and 66,538.19 is: 99,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,900.26 : 415,350.34 = 66,538.19 : x
  2. Step 2: Convert to fraction form
    276,900.26/415,350.34 = 66,538.19/x
  3. Step 3: Cross multiply
    276,900.26x = 415,350.34 × 66,538.19
  4. Step 4: Simplify right side
    276,900.26x = 27,636,661,406.90
  5. Step 5: Solve for x
    x = 27,636,661,406.90/276,900.26
  6. Step 6: Final answer
    x = 99,807.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.