Home / 177,270.08-265,905.12-140,360

Finding the Fourth Proportional to 177,270.08, 265,905.12 and 140,360

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Solution

The fourth proportional to 177,270.08, 265,905.12 and 140,360 is: 210,540

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,270.08 : 265,905.12 = 140,360 : x
  2. Step 2: Convert to fraction form
    177,270.08/265,905.12 = 140,360/x
  3. Step 3: Cross multiply
    177,270.08x = 265,905.12 × 140,360
  4. Step 4: Simplify right side
    177,270.08x = 37,322,442,643.20
  5. Step 5: Solve for x
    x = 37,322,442,643.20/177,270.08
  6. Step 6: Final answer
    x = 210,540

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.