Home / 134,049.76-184,987.92-72,795.36

Finding the Fourth Proportional to 134,049.76, 184,987.92 and 72,795.36

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Solution

The fourth proportional to 134,049.76, 184,987.92 and 72,795.36 is: 100,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,049.76 : 184,987.92 = 72,795.36 : x
  2. Step 2: Convert to fraction form
    134,049.76/184,987.92 = 72,795.36/x
  3. Step 3: Cross multiply
    134,049.76x = 184,987.92 × 72,795.36
  4. Step 4: Simplify right side
    134,049.76x = 13,466,262,232.05
  5. Step 5: Solve for x
    x = 13,466,262,232.05/134,049.76
  6. Step 6: Final answer
    x = 100,457.19

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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.