Home / 243,834.24-336,477.69-136,383.51

Finding the Fourth Proportional to 243,834.24, 336,477.69 and 136,383.51

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Solution

The fourth proportional to 243,834.24, 336,477.69 and 136,383.51 is: 188,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,834.24 : 336,477.69 = 136,383.51 : x
  2. Step 2: Convert to fraction form
    243,834.24/336,477.69 = 136,383.51/x
  3. Step 3: Cross multiply
    243,834.24x = 336,477.69 × 136,383.51
  4. Step 4: Simplify right side
    243,834.24x = 45,890,008,398.89
  5. Step 5: Solve for x
    x = 45,890,008,398.89/243,834.24
  6. Step 6: Final answer
    x = 188,201.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.