Home / 127,101.98-190,654.29-38,356.22

Finding the Fourth Proportional to 127,101.98, 190,654.29 and 38,356.22

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Solution

The fourth proportional to 127,101.98, 190,654.29 and 38,356.22 is: 57,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.98 : 190,654.29 = 38,356.22 : x
  2. Step 2: Convert to fraction form
    127,101.98/190,654.29 = 38,356.22/x
  3. Step 3: Cross multiply
    127,101.98x = 190,654.29 × 38,356.22
  4. Step 4: Simplify right side
    127,101.98x = 7,312,778,367.82
  5. Step 5: Solve for x
    x = 7,312,778,367.82/127,101.98
  6. Step 6: Final answer
    x = 57,534.73

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1.5x scale

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.