Home / 174,027.10-261,040.65-85,453.60

Finding the Fourth Proportional to 174,027.10, 261,040.65 and 85,453.60

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Solution

The fourth proportional to 174,027.10, 261,040.65 and 85,453.60 is: 128,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,027.10 : 261,040.65 = 85,453.60 : x
  2. Step 2: Convert to fraction form
    174,027.10/261,040.65 = 85,453.60/x
  3. Step 3: Cross multiply
    174,027.10x = 261,040.65 × 85,453.60
  4. Step 4: Simplify right side
    174,027.10x = 22,306,863,288.84
  5. Step 5: Solve for x
    x = 22,306,863,288.84/174,027.10
  6. Step 6: Final answer
    x = 128,180.40

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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.