Home / 139,109.22-208,679.13-44,317.35

Finding the Fourth Proportional to 139,109.22, 208,679.13 and 44,317.35

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Solution

The fourth proportional to 139,109.22, 208,679.13 and 44,317.35 is: 66,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,109.22 : 208,679.13 = 44,317.35 : x
  2. Step 2: Convert to fraction form
    139,109.22/208,679.13 = 44,317.35/x
  3. Step 3: Cross multiply
    139,109.22x = 208,679.13 × 44,317.35
  4. Step 4: Simplify right side
    139,109.22x = 9,248,106,041.91
  5. Step 5: Solve for x
    x = 9,248,106,041.91/139,109.22
  6. Step 6: Final answer
    x = 66,480.90

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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.