Home / 177,261.14-265,709.31-77,402.66

Finding the Fourth Proportional to 177,261.14, 265,709.31 and 77,402.66

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Solution

The fourth proportional to 177,261.14, 265,709.31 and 77,402.66 is: 116,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,261.14 : 265,709.31 = 77,402.66 : x
  2. Step 2: Convert to fraction form
    177,261.14/265,709.31 = 77,402.66/x
  3. Step 3: Cross multiply
    177,261.14x = 265,709.31 × 77,402.66
  4. Step 4: Simplify right side
    177,261.14x = 20,566,607,380.76
  5. Step 5: Solve for x
    x = 20,566,607,380.76/177,261.14
  6. Step 6: Final answer
    x = 116,024.34

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1.5x scale

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.