Home / 126,670.36-174,754.29-72,926.54

Finding the Fourth Proportional to 126,670.36, 174,754.29 and 72,926.54

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Solution

The fourth proportional to 126,670.36, 174,754.29 and 72,926.54 is: 100,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,670.36 : 174,754.29 = 72,926.54 : x
  2. Step 2: Convert to fraction form
    126,670.36/174,754.29 = 72,926.54/x
  3. Step 3: Cross multiply
    126,670.36x = 174,754.29 × 72,926.54
  4. Step 4: Simplify right side
    126,670.36x = 12,744,225,405.32
  5. Step 5: Solve for x
    x = 12,744,225,405.32/126,670.36
  6. Step 6: Final answer
    x = 100,609.38

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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.