Home / 137,147.04-205,539.48-73,811.52

Finding the Fourth Proportional to 137,147.04, 205,539.48 and 73,811.52

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Solution

The fourth proportional to 137,147.04, 205,539.48 and 73,811.52 is: 110,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,147.04 : 205,539.48 = 73,811.52 : x
  2. Step 2: Convert to fraction form
    137,147.04/205,539.48 = 73,811.52/x
  3. Step 3: Cross multiply
    137,147.04x = 205,539.48 × 73,811.52
  4. Step 4: Simplify right side
    137,147.04x = 15,171,181,438.81
  5. Step 5: Solve for x
    x = 15,171,181,438.81/137,147.04
  6. Step 6: Final answer
    x = 110,619.82

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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.