Home / 139,113.42-208,685.14-44,321.24

Finding the Fourth Proportional to 139,113.42, 208,685.14 and 44,321.24

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Solution

The fourth proportional to 139,113.42, 208,685.14 and 44,321.24 is: 66,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,113.42 : 208,685.14 = 44,321.24 : x
  2. Step 2: Convert to fraction form
    139,113.42/208,685.14 = 44,321.24/x
  3. Step 3: Cross multiply
    139,113.42x = 208,685.14 × 44,321.24
  4. Step 4: Simplify right side
    139,113.42x = 9,249,184,174.37
  5. Step 5: Solve for x
    x = 9,249,184,174.37/139,113.42
  6. Step 6: Final answer
    x = 66,486.64

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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.