Home / 148,028.88-204,274.80-84,387.18

Finding the Fourth Proportional to 148,028.88, 204,274.80 and 84,387.18

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Solution

The fourth proportional to 148,028.88, 204,274.80 and 84,387.18 is: 116,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,028.88 : 204,274.80 = 84,387.18 : x
  2. Step 2: Convert to fraction form
    148,028.88/204,274.80 = 84,387.18/x
  3. Step 3: Cross multiply
    148,028.88x = 204,274.80 × 84,387.18
  4. Step 4: Simplify right side
    148,028.88x = 17,238,174,317.06
  5. Step 5: Solve for x
    x = 17,238,174,317.06/148,028.88
  6. Step 6: Final answer
    x = 116,451.43

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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.