Home / 126,455.30-174,506.27-69,093.40

Finding the Fourth Proportional to 126,455.30, 174,506.27 and 69,093.40

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Solution

The fourth proportional to 126,455.30, 174,506.27 and 69,093.40 is: 95,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.30 : 174,506.27 = 69,093.40 : x
  2. Step 2: Convert to fraction form
    126,455.30/174,506.27 = 69,093.40/x
  3. Step 3: Cross multiply
    126,455.30x = 174,506.27 × 69,093.40
  4. Step 4: Simplify right side
    126,455.30x = 12,057,231,252.09
  5. Step 5: Solve for x
    x = 12,057,231,252.09/126,455.30
  6. Step 6: Final answer
    x = 95,347.77

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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.