Home / 115,795.20-173,750.40-65,913.60

Finding the Fourth Proportional to 115,795.20, 173,750.40 and 65,913.60

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Solution

The fourth proportional to 115,795.20, 173,750.40 and 65,913.60 is: 98,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,795.20 : 173,750.40 = 65,913.60 : x
  2. Step 2: Convert to fraction form
    115,795.20/173,750.40 = 65,913.60/x
  3. Step 3: Cross multiply
    115,795.20x = 173,750.40 × 65,913.60
  4. Step 4: Simplify right side
    115,795.20x = 11,452,514,365.44
  5. Step 5: Solve for x
    x = 11,452,514,365.44/115,795.20
  6. Step 6: Final answer
    x = 98,903.19

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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.