Home / 126,457.94-174,309.26-85,609.19

Finding the Fourth Proportional to 126,457.94, 174,309.26 and 85,609.19

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Solution

The fourth proportional to 126,457.94, 174,309.26 and 85,609.19 is: 118,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,457.94 : 174,309.26 = 85,609.19 : x
  2. Step 2: Convert to fraction form
    126,457.94/174,309.26 = 85,609.19/x
  3. Step 3: Cross multiply
    126,457.94x = 174,309.26 × 85,609.19
  4. Step 4: Simplify right side
    126,457.94x = 14,922,473,258.51
  5. Step 5: Solve for x
    x = 14,922,473,258.51/126,457.94
  6. Step 6: Final answer
    x = 118,003.46

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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.