Home / 137,665.80-190,045.56-92,327.20

Finding the Fourth Proportional to 137,665.80, 190,045.56 and 92,327.20

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Solution

The fourth proportional to 137,665.80, 190,045.56 and 92,327.20 is: 127,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,665.80 : 190,045.56 = 92,327.20 : x
  2. Step 2: Convert to fraction form
    137,665.80/190,045.56 = 92,327.20/x
  3. Step 3: Cross multiply
    137,665.80x = 190,045.56 × 92,327.20
  4. Step 4: Simplify right side
    137,665.80x = 17,546,374,427.23
  5. Step 5: Solve for x
    x = 17,546,374,427.23/137,665.80
  6. Step 6: Final answer
    x = 127,456.31

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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.