Home / 174,401.10-261,601.65-85,827.60

Finding the Fourth Proportional to 174,401.10, 261,601.65 and 85,827.60

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Solution

The fourth proportional to 174,401.10, 261,601.65 and 85,827.60 is: 128,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,401.10 : 261,601.65 = 85,827.60 : x
  2. Step 2: Convert to fraction form
    174,401.10/261,601.65 = 85,827.60/x
  3. Step 3: Cross multiply
    174,401.10x = 261,601.65 × 85,827.60
  4. Step 4: Simplify right side
    174,401.10x = 22,452,641,775.54
  5. Step 5: Solve for x
    x = 22,452,641,775.54/174,401.10
  6. Step 6: Final answer
    x = 128,741.40

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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.