Home / 127,171.44-175,514.87-76,186.35

Finding the Fourth Proportional to 127,171.44, 175,514.87 and 76,186.35

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Solution

The fourth proportional to 127,171.44, 175,514.87 and 76,186.35 is: 105,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,171.44 : 175,514.87 = 76,186.35 : x
  2. Step 2: Convert to fraction form
    127,171.44/175,514.87 = 76,186.35/x
  3. Step 3: Cross multiply
    127,171.44x = 175,514.87 × 76,186.35
  4. Step 4: Simplify right side
    127,171.44x = 13,371,837,316.02
  5. Step 5: Solve for x
    x = 13,371,837,316.02/127,171.44
  6. Step 6: Final answer
    x = 105,148.12

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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.