Home / 270,116.64-372,812.52-178,074.40

Finding the Fourth Proportional to 270,116.64, 372,812.52 and 178,074.40

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Solution

The fourth proportional to 270,116.64, 372,812.52 and 178,074.40 is: 245,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,116.64 : 372,812.52 = 178,074.40 : x
  2. Step 2: Convert to fraction form
    270,116.64/372,812.52 = 178,074.40/x
  3. Step 3: Cross multiply
    270,116.64x = 372,812.52 × 178,074.40
  4. Step 4: Simplify right side
    270,116.64x = 66,388,365,811.49
  5. Step 5: Solve for x
    x = 66,388,365,811.49/270,116.64
  6. Step 6: Final answer
    x = 245,776.66

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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.