Home / 179,186.88-247,300.66-115,709.16

Finding the Fourth Proportional to 179,186.88, 247,300.66 and 115,709.16

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Solution

The fourth proportional to 179,186.88, 247,300.66 and 115,709.16 is: 159,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,186.88 : 247,300.66 = 115,709.16 : x
  2. Step 2: Convert to fraction form
    179,186.88/247,300.66 = 115,709.16/x
  3. Step 3: Cross multiply
    179,186.88x = 247,300.66 × 115,709.16
  4. Step 4: Simplify right side
    179,186.88x = 28,614,951,636.05
  5. Step 5: Solve for x
    x = 28,614,951,636.05/179,186.88
  6. Step 6: Final answer
    x = 159,693.34

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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.