Home / 139,625.16-209,358.38-95,305.56

Finding the Fourth Proportional to 139,625.16, 209,358.38 and 95,305.56

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Solution

The fourth proportional to 139,625.16, 209,358.38 and 95,305.56 is: 142,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,625.16 : 209,358.38 = 95,305.56 : x
  2. Step 2: Convert to fraction form
    139,625.16/209,358.38 = 95,305.56/x
  3. Step 3: Cross multiply
    139,625.16x = 209,358.38 × 95,305.56
  4. Step 4: Simplify right side
    139,625.16x = 19,953,017,646.59
  5. Step 5: Solve for x
    x = 19,953,017,646.59/139,625.16
  6. Step 6: Final answer
    x = 142,904.17

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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.