Home / 114,248.81-171,280.26-76,694.37

Finding the Fourth Proportional to 114,248.81, 171,280.26 and 76,694.37

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Solution

The fourth proportional to 114,248.81, 171,280.26 and 76,694.37 is: 114,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,248.81 : 171,280.26 = 76,694.37 : x
  2. Step 2: Convert to fraction form
    114,248.81/171,280.26 = 76,694.37/x
  3. Step 3: Cross multiply
    114,248.81x = 171,280.26 × 76,694.37
  4. Step 4: Simplify right side
    114,248.81x = 13,136,231,634.14
  5. Step 5: Solve for x
    x = 13,136,231,634.14/114,248.81
  6. Step 6: Final answer
    x = 114,979.16

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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.