Home / 243,516.14-336,059.49-136,086.48

Finding the Fourth Proportional to 243,516.14, 336,059.49 and 136,086.48

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Solution

The fourth proportional to 243,516.14, 336,059.49 and 136,086.48 is: 187,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,516.14 : 336,059.49 = 136,086.48 : x
  2. Step 2: Convert to fraction form
    243,516.14/336,059.49 = 136,086.48/x
  3. Step 3: Cross multiply
    243,516.14x = 336,059.49 × 136,086.48
  4. Step 4: Simplify right side
    243,516.14x = 45,733,153,064.70
  5. Step 5: Solve for x
    x = 45,733,153,064.70/243,516.14
  6. Step 6: Final answer
    x = 187,803.38

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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.