Home / 243,504.18-336,051.36-136,074.66

Finding the Fourth Proportional to 243,504.18, 336,051.36 and 136,074.66

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Solution

The fourth proportional to 243,504.18, 336,051.36 and 136,074.66 is: 187,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,504.18 : 336,051.36 = 136,074.66 : x
  2. Step 2: Convert to fraction form
    243,504.18/336,051.36 = 136,074.66/x
  3. Step 3: Cross multiply
    243,504.18x = 336,051.36 × 136,074.66
  4. Step 4: Simplify right side
    243,504.18x = 45,728,074,554.54
  5. Step 5: Solve for x
    x = 45,728,074,554.54/243,504.18
  6. Step 6: Final answer
    x = 187,791.74

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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.