Home / 127,445.12-190,092.20-110,673.28

Finding the Fourth Proportional to 127,445.12, 190,092.20 and 110,673.28

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Solution

The fourth proportional to 127,445.12, 190,092.20 and 110,673.28 is: 165,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.12 : 190,092.20 = 110,673.28 : x
  2. Step 2: Convert to fraction form
    127,445.12/190,092.20 = 110,673.28/x
  3. Step 3: Cross multiply
    127,445.12x = 190,092.20 × 110,673.28
  4. Step 4: Simplify right side
    127,445.12x = 21,038,127,276.42
  5. Step 5: Solve for x
    x = 21,038,127,276.42/127,445.12
  6. Step 6: Final answer
    x = 165,075.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.