Home / 126,485.52-174,549.96-69,896.40

Finding the Fourth Proportional to 126,485.52, 174,549.96 and 69,896.40

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Solution

The fourth proportional to 126,485.52, 174,549.96 and 69,896.40 is: 96,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,485.52 : 174,549.96 = 69,896.40 : x
  2. Step 2: Convert to fraction form
    126,485.52/174,549.96 = 69,896.40/x
  3. Step 3: Cross multiply
    126,485.52x = 174,549.96 × 69,896.40
  4. Step 4: Simplify right side
    126,485.52x = 12,200,413,824.14
  5. Step 5: Solve for x
    x = 12,200,413,824.14/126,485.52
  6. Step 6: Final answer
    x = 96,457.00

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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.