Home / 152,028.60-209,791.26-84,041.52

Finding the Fourth Proportional to 152,028.60, 209,791.26 and 84,041.52

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Solution

The fourth proportional to 152,028.60, 209,791.26 and 84,041.52 is: 115,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,028.60 : 209,791.26 = 84,041.52 : x
  2. Step 2: Convert to fraction form
    152,028.60/209,791.26 = 84,041.52/x
  3. Step 3: Cross multiply
    152,028.60x = 209,791.26 × 84,041.52
  4. Step 4: Simplify right side
    152,028.60x = 17,631,176,373.12
  5. Step 5: Solve for x
    x = 17,631,176,373.12/152,028.60
  6. Step 6: Final answer
    x = 115,972.76

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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.