Home / 183,899.40-253,765.56-103,320.60

Finding the Fourth Proportional to 183,899.40, 253,765.56 and 103,320.60

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Solution

The fourth proportional to 183,899.40, 253,765.56 and 103,320.60 is: 142,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,899.40 : 253,765.56 = 103,320.60 : x
  2. Step 2: Convert to fraction form
    183,899.40/253,765.56 = 103,320.60/x
  3. Step 3: Cross multiply
    183,899.40x = 253,765.56 × 103,320.60
  4. Step 4: Simplify right side
    183,899.40x = 26,219,209,918.54
  5. Step 5: Solve for x
    x = 26,219,209,918.54/183,899.40
  6. Step 6: Final answer
    x = 142,573.66

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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.