Home / 120,276.06-180,501.56-53,791.26

Finding the Fourth Proportional to 120,276.06, 180,501.56 and 53,791.26

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Solution

The fourth proportional to 120,276.06, 180,501.56 and 53,791.26 is: 80,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,276.06 : 180,501.56 = 53,791.26 : x
  2. Step 2: Convert to fraction form
    120,276.06/180,501.56 = 53,791.26/x
  3. Step 3: Cross multiply
    120,276.06x = 180,501.56 × 53,791.26
  4. Step 4: Simplify right side
    120,276.06x = 9,709,406,344.37
  5. Step 5: Solve for x
    x = 9,709,406,344.37/120,276.06
  6. Step 6: Final answer
    x = 80,726.01

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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.