Home / 185,738.88-278,623.08-111,366.48

Finding the Fourth Proportional to 185,738.88, 278,623.08 and 111,366.48

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Solution

The fourth proportional to 185,738.88, 278,623.08 and 111,366.48 is: 167,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,738.88 : 278,623.08 = 111,366.48 : x
  2. Step 2: Convert to fraction form
    185,738.88/278,623.08 = 111,366.48/x
  3. Step 3: Cross multiply
    185,738.88x = 278,623.08 × 111,366.48
  4. Step 4: Simplify right side
    185,738.88x = 31,029,271,666.36
  5. Step 5: Solve for x
    x = 31,029,271,666.36/185,738.88
  6. Step 6: Final answer
    x = 167,058.57

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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.