Home / 117,186.16-175,777.92-28,440.64

Finding the Fourth Proportional to 117,186.16, 175,777.92 and 28,440.64

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Solution

The fourth proportional to 117,186.16, 175,777.92 and 28,440.64 is: 42,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,186.16 : 175,777.92 = 28,440.64 : x
  2. Step 2: Convert to fraction form
    117,186.16/175,777.92 = 28,440.64/x
  3. Step 3: Cross multiply
    117,186.16x = 175,777.92 × 28,440.64
  4. Step 4: Simplify right side
    117,186.16x = 4,999,236,542.67
  5. Step 5: Solve for x
    x = 4,999,236,542.67/117,186.16
  6. Step 6: Final answer
    x = 42,660.64

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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.