Home / 185,548.03-278,283.77-90,680.83

Finding the Fourth Proportional to 185,548.03, 278,283.77 and 90,680.83

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Solution

The fourth proportional to 185,548.03, 278,283.77 and 90,680.83 is: 136,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,548.03 : 278,283.77 = 90,680.83 : x
  2. Step 2: Convert to fraction form
    185,548.03/278,283.77 = 90,680.83/x
  3. Step 3: Cross multiply
    185,548.03x = 278,283.77 × 90,680.83
  4. Step 4: Simplify right side
    185,548.03x = 25,235,002,430.07
  5. Step 5: Solve for x
    x = 25,235,002,430.07/185,548.03
  6. Step 6: Final answer
    x = 136,002.54

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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.