Home / 115,820.26-173,392.35-71,313.46

Finding the Fourth Proportional to 115,820.26, 173,392.35 and 71,313.46

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Solution

The fourth proportional to 115,820.26, 173,392.35 and 71,313.46 is: 106,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,820.26 : 173,392.35 = 71,313.46 : x
  2. Step 2: Convert to fraction form
    115,820.26/173,392.35 = 71,313.46/x
  3. Step 3: Cross multiply
    115,820.26x = 173,392.35 × 71,313.46
  4. Step 4: Simplify right side
    115,820.26x = 12,365,208,416.03
  5. Step 5: Solve for x
    x = 12,365,208,416.03/115,820.26
  6. Step 6: Final answer
    x = 106,762.05

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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.