Home / 185,650.02-278,607.71-79,108.59

Finding the Fourth Proportional to 185,650.02, 278,607.71 and 79,108.59

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Solution

The fourth proportional to 185,650.02, 278,607.71 and 79,108.59 is: 118,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,650.02 : 278,607.71 = 79,108.59 : x
  2. Step 2: Convert to fraction form
    185,650.02/278,607.71 = 79,108.59/x
  3. Step 3: Cross multiply
    185,650.02x = 278,607.71 × 79,108.59
  4. Step 4: Simplify right side
    185,650.02x = 22,040,263,299.00
  5. Step 5: Solve for x
    x = 22,040,263,299.00/185,650.02
  6. Step 6: Final answer
    x = 118,719.42

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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.