Home / 177,261.40-265,887.78-72,054.28

Finding the Fourth Proportional to 177,261.40, 265,887.78 and 72,054.28

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Solution

The fourth proportional to 177,261.40, 265,887.78 and 72,054.28 is: 108,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,261.40 : 265,887.78 = 72,054.28 : x
  2. Step 2: Convert to fraction form
    177,261.40/265,887.78 = 72,054.28/x
  3. Step 3: Cross multiply
    177,261.40x = 265,887.78 × 72,054.28
  4. Step 4: Simplify right side
    177,261.40x = 19,158,352,548.70
  5. Step 5: Solve for x
    x = 19,158,352,548.70/177,261.40
  6. Step 6: Final answer
    x = 108,079.66

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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.