Home / 179,520.26-247,686.46-115,894.22

Finding the Fourth Proportional to 179,520.26, 247,686.46 and 115,894.22

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Solution

The fourth proportional to 179,520.26, 247,686.46 and 115,894.22 is: 159,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,520.26 : 247,686.46 = 115,894.22 : x
  2. Step 2: Convert to fraction form
    179,520.26/247,686.46 = 115,894.22/x
  3. Step 3: Cross multiply
    179,520.26x = 247,686.46 × 115,894.22
  4. Step 4: Simplify right side
    179,520.26x = 28,705,427,558.09
  5. Step 5: Solve for x
    x = 28,705,427,558.09/179,520.26
  6. Step 6: Final answer
    x = 159,900.77

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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.