Home / 174,016.10-261,024.15-85,442.60

Finding the Fourth Proportional to 174,016.10, 261,024.15 and 85,442.60

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Solution

The fourth proportional to 174,016.10, 261,024.15 and 85,442.60 is: 128,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,016.10 : 261,024.15 = 85,442.60 : x
  2. Step 2: Convert to fraction form
    174,016.10/261,024.15 = 85,442.60/x
  3. Step 3: Cross multiply
    174,016.10x = 261,024.15 × 85,442.60
  4. Step 4: Simplify right side
    174,016.10x = 22,302,582,038.79
  5. Step 5: Solve for x
    x = 22,302,582,038.79/174,016.10
  6. Step 6: Final answer
    x = 128,163.90

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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.