Home / 180,179.28-248,383.80-126,301.68

Finding the Fourth Proportional to 180,179.28, 248,383.80 and 126,301.68

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Solution

The fourth proportional to 180,179.28, 248,383.80 and 126,301.68 is: 174,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,179.28 : 248,383.80 = 126,301.68 : x
  2. Step 2: Convert to fraction form
    180,179.28/248,383.80 = 126,301.68/x
  3. Step 3: Cross multiply
    180,179.28x = 248,383.80 × 126,301.68
  4. Step 4: Simplify right side
    180,179.28x = 31,371,291,224.78
  5. Step 5: Solve for x
    x = 31,371,291,224.78/180,179.28
  6. Step 6: Final answer
    x = 174,111.54

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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.