Home / 277,905.46-383,516.64-170,534.83

Finding the Fourth Proportional to 277,905.46, 383,516.64 and 170,534.83

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Solution

The fourth proportional to 277,905.46, 383,516.64 and 170,534.83 is: 235,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,905.46 : 383,516.64 = 170,534.83 : x
  2. Step 2: Convert to fraction form
    277,905.46/383,516.64 = 170,534.83/x
  3. Step 3: Cross multiply
    277,905.46x = 383,516.64 × 170,534.83
  4. Step 4: Simplify right side
    277,905.46x = 65,402,945,004.57
  5. Step 5: Solve for x
    x = 65,402,945,004.57/277,905.46
  6. Step 6: Final answer
    x = 235,342.43

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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.