Home / 126,999.68-190,486.08-52,127.72

Finding the Fourth Proportional to 126,999.68, 190,486.08 and 52,127.72

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Solution

The fourth proportional to 126,999.68, 190,486.08 and 52,127.72 is: 78,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,999.68 : 190,486.08 = 52,127.72 : x
  2. Step 2: Convert to fraction form
    126,999.68/190,486.08 = 52,127.72/x
  3. Step 3: Cross multiply
    126,999.68x = 190,486.08 × 52,127.72
  4. Step 4: Simplify right side
    126,999.68x = 9,929,605,042.14
  5. Step 5: Solve for x
    x = 9,929,605,042.14/126,999.68
  6. Step 6: Final answer
    x = 78,186.06

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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.