Home / 178,993.09-247,048.05-113,539.58

Finding the Fourth Proportional to 178,993.09, 247,048.05 and 113,539.58

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Solution

The fourth proportional to 178,993.09, 247,048.05 and 113,539.58 is: 156,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,993.09 : 247,048.05 = 113,539.58 : x
  2. Step 2: Convert to fraction form
    178,993.09/247,048.05 = 113,539.58/x
  3. Step 3: Cross multiply
    178,993.09x = 247,048.05 × 113,539.58
  4. Step 4: Simplify right side
    178,993.09x = 28,049,731,836.82
  5. Step 5: Solve for x
    x = 28,049,731,836.82/178,993.09
  6. Step 6: Final answer
    x = 156,708.46

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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.