Home / 127,654.32-176,136.27-73,936.12

Finding the Fourth Proportional to 127,654.32, 176,136.27 and 73,936.12

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Solution

The fourth proportional to 127,654.32, 176,136.27 and 73,936.12 is: 102,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,654.32 : 176,136.27 = 73,936.12 : x
  2. Step 2: Convert to fraction form
    127,654.32/176,136.27 = 73,936.12/x
  3. Step 3: Cross multiply
    127,654.32x = 176,136.27 × 73,936.12
  4. Step 4: Simplify right side
    127,654.32x = 13,022,832,395.07
  5. Step 5: Solve for x
    x = 13,022,832,395.07/127,654.32
  6. Step 6: Final answer
    x = 102,016.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.