Home / 177,260.64-265,708.56-77,402.16

Finding the Fourth Proportional to 177,260.64, 265,708.56 and 77,402.16

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Solution

The fourth proportional to 177,260.64, 265,708.56 and 77,402.16 is: 116,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,260.64 : 265,708.56 = 77,402.16 : x
  2. Step 2: Convert to fraction form
    177,260.64/265,708.56 = 77,402.16/x
  3. Step 3: Cross multiply
    177,260.64x = 265,708.56 × 77,402.16
  4. Step 4: Simplify right side
    177,260.64x = 20,566,416,474.49
  5. Step 5: Solve for x
    x = 20,566,416,474.49/177,260.64
  6. Step 6: Final answer
    x = 116,023.59

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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.