Home / 126,500.12-174,457.15-104,955.75

Finding the Fourth Proportional to 126,500.12, 174,457.15 and 104,955.75

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Solution

The fourth proportional to 126,500.12, 174,457.15 and 104,955.75 is: 144,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.12 : 174,457.15 = 104,955.75 : x
  2. Step 2: Convert to fraction form
    126,500.12/174,457.15 = 104,955.75/x
  3. Step 3: Cross multiply
    126,500.12x = 174,457.15 × 104,955.75
  4. Step 4: Simplify right side
    126,500.12x = 18,310,280,496.33
  5. Step 5: Solve for x
    x = 18,310,280,496.33/126,500.12
  6. Step 6: Final answer
    x = 144,745.17

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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.