Home / 127,116.48-190,702.12-38,362.56

Finding the Fourth Proportional to 127,116.48, 190,702.12 and 38,362.56

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Solution

The fourth proportional to 127,116.48, 190,702.12 and 38,362.56 is: 57,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.48 : 190,702.12 = 38,362.56 : x
  2. Step 2: Convert to fraction form
    127,116.48/190,702.12 = 38,362.56/x
  3. Step 3: Cross multiply
    127,116.48x = 190,702.12 × 38,362.56
  4. Step 4: Simplify right side
    127,116.48x = 7,315,821,520.63
  5. Step 5: Solve for x
    x = 7,315,821,520.63/127,116.48
  6. Step 6: Final answer
    x = 57,552.11

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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.