Home / 183,631.25-275,563.40-78,451.01

Finding the Fourth Proportional to 183,631.25, 275,563.40 and 78,451.01

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Solution

The fourth proportional to 183,631.25, 275,563.40 and 78,451.01 is: 117,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,631.25 : 275,563.40 = 78,451.01 : x
  2. Step 2: Convert to fraction form
    183,631.25/275,563.40 = 78,451.01/x
  3. Step 3: Cross multiply
    183,631.25x = 275,563.40 × 78,451.01
  4. Step 4: Simplify right side
    183,631.25x = 21,618,226,656.78
  5. Step 5: Solve for x
    x = 21,618,226,656.78/183,631.25
  6. Step 6: Final answer
    x = 117,726.29

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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.