Home / 115,584.40-173,400.90-65,623.60

Finding the Fourth Proportional to 115,584.40, 173,400.90 and 65,623.60

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Solution

The fourth proportional to 115,584.40, 173,400.90 and 65,623.60 is: 98,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,584.40 : 173,400.90 = 65,623.60 : x
  2. Step 2: Convert to fraction form
    115,584.40/173,400.90 = 65,623.60/x
  3. Step 3: Cross multiply
    115,584.40x = 173,400.90 × 65,623.60
  4. Step 4: Simplify right side
    115,584.40x = 11,379,191,301.24
  5. Step 5: Solve for x
    x = 11,379,191,301.24/115,584.40
  6. Step 6: Final answer
    x = 98,449.20

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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.