Home / 177,177.16-265,720.38-52,489

Finding the Fourth Proportional to 177,177.16, 265,720.38 and 52,489

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Solution

The fourth proportional to 177,177.16, 265,720.38 and 52,489 is: 78,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,177.16 : 265,720.38 = 52,489 : x
  2. Step 2: Convert to fraction form
    177,177.16/265,720.38 = 52,489/x
  3. Step 3: Cross multiply
    177,177.16x = 265,720.38 × 52,489
  4. Step 4: Simplify right side
    177,177.16x = 13,947,397,025.82
  5. Step 5: Solve for x
    x = 13,947,397,025.82/177,177.16
  6. Step 6: Final answer
    x = 78,720.06

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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.