Home / 115,455.60-173,183.40-53,247.60

Finding the Fourth Proportional to 115,455.60, 173,183.40 and 53,247.60

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Solution

The fourth proportional to 115,455.60, 173,183.40 and 53,247.60 is: 79,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,455.60 : 173,183.40 = 53,247.60 : x
  2. Step 2: Convert to fraction form
    115,455.60/173,183.40 = 53,247.60/x
  3. Step 3: Cross multiply
    115,455.60x = 173,183.40 × 53,247.60
  4. Step 4: Simplify right side
    115,455.60x = 9,221,600,409.84
  5. Step 5: Solve for x
    x = 9,221,600,409.84/115,455.60
  6. Step 6: Final answer
    x = 79,871.40

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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.