Home / 127,852.48-176,435.31-69,709.26

Finding the Fourth Proportional to 127,852.48, 176,435.31 and 69,709.26

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Solution

The fourth proportional to 127,852.48, 176,435.31 and 69,709.26 is: 96,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.48 : 176,435.31 = 69,709.26 : x
  2. Step 2: Convert to fraction form
    127,852.48/176,435.31 = 69,709.26/x
  3. Step 3: Cross multiply
    127,852.48x = 176,435.31 × 69,709.26
  4. Step 4: Simplify right side
    127,852.48x = 12,299,174,828.56
  5. Step 5: Solve for x
    x = 12,299,174,828.56/127,852.48
  6. Step 6: Final answer
    x = 96,198.18

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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.