Home / 179,184.56-247,223.40-115,558.88

Finding the Fourth Proportional to 179,184.56, 247,223.40 and 115,558.88

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Solution

The fourth proportional to 179,184.56, 247,223.40 and 115,558.88 is: 159,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,184.56 : 247,223.40 = 115,558.88 : x
  2. Step 2: Convert to fraction form
    179,184.56/247,223.40 = 115,558.88/x
  3. Step 3: Cross multiply
    179,184.56x = 247,223.40 × 115,558.88
  4. Step 4: Simplify right side
    179,184.56x = 28,568,859,213.79
  5. Step 5: Solve for x
    x = 28,568,859,213.79/179,184.56
  6. Step 6: Final answer
    x = 159,438.17

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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.