Home / 126,325.89-174,359.03-83,313.14

Finding the Fourth Proportional to 126,325.89, 174,359.03 and 83,313.14

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Solution

The fourth proportional to 126,325.89, 174,359.03 and 83,313.14 is: 114,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,325.89 : 174,359.03 = 83,313.14 : x
  2. Step 2: Convert to fraction form
    126,325.89/174,359.03 = 83,313.14/x
  3. Step 3: Cross multiply
    126,325.89x = 174,359.03 × 83,313.14
  4. Step 4: Simplify right side
    126,325.89x = 14,526,396,988.29
  5. Step 5: Solve for x
    x = 14,526,396,988.29/126,325.89
  6. Step 6: Final answer
    x = 114,991.45

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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.