Home / 179,152.26-247,147.50-115,510.56

Finding the Fourth Proportional to 179,152.26, 247,147.50 and 115,510.56

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Solution

The fourth proportional to 179,152.26, 247,147.50 and 115,510.56 is: 159,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,152.26 : 247,147.50 = 115,510.56 : x
  2. Step 2: Convert to fraction form
    179,152.26/247,147.50 = 115,510.56/x
  3. Step 3: Cross multiply
    179,152.26x = 247,147.50 × 115,510.56
  4. Step 4: Simplify right side
    179,152.26x = 28,548,146,127.60
  5. Step 5: Solve for x
    x = 28,548,146,127.60/179,152.26
  6. Step 6: Final answer
    x = 159,351.30

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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.