Home / 131,674.52-181,710.06-75,084.68

Finding the Fourth Proportional to 131,674.52, 181,710.06 and 75,084.68

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Solution

The fourth proportional to 131,674.52, 181,710.06 and 75,084.68 is: 103,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,674.52 : 181,710.06 = 75,084.68 : x
  2. Step 2: Convert to fraction form
    131,674.52/181,710.06 = 75,084.68/x
  3. Step 3: Cross multiply
    131,674.52x = 181,710.06 × 75,084.68
  4. Step 4: Simplify right side
    131,674.52x = 13,643,641,707.88
  5. Step 5: Solve for x
    x = 13,643,641,707.88/131,674.52
  6. Step 6: Final answer
    x = 103,616.41

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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.