Home / 187,166.07-280,707.75-54,017.37

Finding the Fourth Proportional to 187,166.07, 280,707.75 and 54,017.37

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Solution

The fourth proportional to 187,166.07, 280,707.75 and 54,017.37 is: 81,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,166.07 : 280,707.75 = 54,017.37 : x
  2. Step 2: Convert to fraction form
    187,166.07/280,707.75 = 54,017.37/x
  3. Step 3: Cross multiply
    187,166.07x = 280,707.75 × 54,017.37
  4. Step 4: Simplify right side
    187,166.07x = 15,163,094,393.62
  5. Step 5: Solve for x
    x = 15,163,094,393.62/187,166.07
  6. Step 6: Final answer
    x = 81,014.12

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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.