Home / 156,066.75-215,334.53-94,811.16

Finding the Fourth Proportional to 156,066.75, 215,334.53 and 94,811.16

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Solution

The fourth proportional to 156,066.75, 215,334.53 and 94,811.16 is: 130,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.75 : 215,334.53 = 94,811.16 : x
  2. Step 2: Convert to fraction form
    156,066.75/215,334.53 = 94,811.16/x
  3. Step 3: Cross multiply
    156,066.75x = 215,334.53 × 94,811.16
  4. Step 4: Simplify right side
    156,066.75x = 20,416,115,788.43
  5. Step 5: Solve for x
    x = 20,416,115,788.43/156,066.75
  6. Step 6: Final answer
    x = 130,816.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.