Home / 185,983.75-278,975.76-61,324.75

Finding the Fourth Proportional to 185,983.75, 278,975.76 and 61,324.75

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Solution

The fourth proportional to 185,983.75, 278,975.76 and 61,324.75 is: 91,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,983.75 : 278,975.76 = 61,324.75 : x
  2. Step 2: Convert to fraction form
    185,983.75/278,975.76 = 61,324.75/x
  3. Step 3: Cross multiply
    185,983.75x = 278,975.76 × 61,324.75
  4. Step 4: Simplify right side
    185,983.75x = 17,108,118,738.06
  5. Step 5: Solve for x
    x = 17,108,118,738.06/185,983.75
  6. Step 6: Final answer
    x = 91,987.17

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1.5x scale

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.