Home / 235,311.36-324,731.74-127,881.38

Finding the Fourth Proportional to 235,311.36, 324,731.74 and 127,881.38

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Solution

The fourth proportional to 235,311.36, 324,731.74 and 127,881.38 is: 176,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,311.36 : 324,731.74 = 127,881.38 : x
  2. Step 2: Convert to fraction form
    235,311.36/324,731.74 = 127,881.38/x
  3. Step 3: Cross multiply
    235,311.36x = 324,731.74 × 127,881.38
  4. Step 4: Simplify right side
    235,311.36x = 41,527,143,041.00
  5. Step 5: Solve for x
    x = 41,527,143,041.00/235,311.36
  6. Step 6: Final answer
    x = 176,477.43

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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.