Home / 251,816.94-347,509.47-137,096.37

Finding the Fourth Proportional to 251,816.94, 347,509.47 and 137,096.37

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Solution

The fourth proportional to 251,816.94, 347,509.47 and 137,096.37 is: 189,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,816.94 : 347,509.47 = 137,096.37 : x
  2. Step 2: Convert to fraction form
    251,816.94/347,509.47 = 137,096.37/x
  3. Step 3: Cross multiply
    251,816.94x = 347,509.47 × 137,096.37
  4. Step 4: Simplify right side
    251,816.94x = 47,642,286,877.62
  5. Step 5: Solve for x
    x = 47,642,286,877.62/251,816.94
  6. Step 6: Final answer
    x = 189,194.13

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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.