Home / 235,130.30-324,500.97-133,180.56

Finding the Fourth Proportional to 235,130.30, 324,500.97 and 133,180.56

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Solution

The fourth proportional to 235,130.30, 324,500.97 and 133,180.56 is: 183,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,130.30 : 324,500.97 = 133,180.56 : x
  2. Step 2: Convert to fraction form
    235,130.30/324,500.97 = 133,180.56/x
  3. Step 3: Cross multiply
    235,130.30x = 324,500.97 × 133,180.56
  4. Step 4: Simplify right side
    235,130.30x = 43,217,220,905.14
  5. Step 5: Solve for x
    x = 43,217,220,905.14/235,130.30
  6. Step 6: Final answer
    x = 183,801.16

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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.