Home / 314,539.20-434,049.26-178,555.19

Finding the Fourth Proportional to 314,539.20, 434,049.26 and 178,555.19

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Solution

The fourth proportional to 314,539.20, 434,049.26 and 178,555.19 is: 246,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,539.20 : 434,049.26 = 178,555.19 : x
  2. Step 2: Convert to fraction form
    314,539.20/434,049.26 = 178,555.19/x
  3. Step 3: Cross multiply
    314,539.20x = 434,049.26 × 178,555.19
  4. Step 4: Simplify right side
    314,539.20x = 77,501,745,025.64
  5. Step 5: Solve for x
    x = 77,501,745,025.64/314,539.20
  6. Step 6: Final answer
    x = 246,397.73

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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.