Home / 183,813.42-253,686.30-103,240.94

Finding the Fourth Proportional to 183,813.42, 253,686.30 and 103,240.94

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Solution

The fourth proportional to 183,813.42, 253,686.30 and 103,240.94 is: 142,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,813.42 : 253,686.30 = 103,240.94 : x
  2. Step 2: Convert to fraction form
    183,813.42/253,686.30 = 103,240.94/x
  3. Step 3: Cross multiply
    183,813.42x = 253,686.30 × 103,240.94
  4. Step 4: Simplify right side
    183,813.42x = 26,190,812,147.17
  5. Step 5: Solve for x
    x = 26,190,812,147.17/183,813.42
  6. Step 6: Final answer
    x = 142,485.86

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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.