Home / 117,317.49-161,298.66-104,448.21

Finding the Fourth Proportional to 117,317.49, 161,298.66 and 104,448.21

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Solution

The fourth proportional to 117,317.49, 161,298.66 and 104,448.21 is: 143,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,317.49 : 161,298.66 = 104,448.21 : x
  2. Step 2: Convert to fraction form
    117,317.49/161,298.66 = 104,448.21/x
  3. Step 3: Cross multiply
    117,317.49x = 161,298.66 × 104,448.21
  4. Step 4: Simplify right side
    117,317.49x = 16,847,356,312.40
  5. Step 5: Solve for x
    x = 16,847,356,312.40/117,317.49
  6. Step 6: Final answer
    x = 143,604.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.