Home / 236,777.94-355,307.03-87,123.32

Finding the Fourth Proportional to 236,777.94, 355,307.03 and 87,123.32

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Solution

The fourth proportional to 236,777.94, 355,307.03 and 87,123.32 is: 130,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,777.94 : 355,307.03 = 87,123.32 : x
  2. Step 2: Convert to fraction form
    236,777.94/355,307.03 = 87,123.32/x
  3. Step 3: Cross multiply
    236,777.94x = 355,307.03 × 87,123.32
  4. Step 4: Simplify right side
    236,777.94x = 30,955,528,764.24
  5. Step 5: Solve for x
    x = 30,955,528,764.24/236,777.94
  6. Step 6: Final answer
    x = 130,736.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.