Home / 177,385.17-265,936.47-102,420.28

Finding the Fourth Proportional to 177,385.17, 265,936.47 and 102,420.28

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Solution

The fourth proportional to 177,385.17, 265,936.47 and 102,420.28 is: 153,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,385.17 : 265,936.47 = 102,420.28 : x
  2. Step 2: Convert to fraction form
    177,385.17/265,936.47 = 102,420.28/x
  3. Step 3: Cross multiply
    177,385.17x = 265,936.47 × 102,420.28
  4. Step 4: Simplify right side
    177,385.17x = 27,237,287,719.61
  5. Step 5: Solve for x
    x = 27,237,287,719.61/177,385.17
  6. Step 6: Final answer
    x = 153,548.84

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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.