Home / 163,435.03-225,549.99-123,077.59

Finding the Fourth Proportional to 163,435.03, 225,549.99 and 123,077.59

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Solution

The fourth proportional to 163,435.03, 225,549.99 and 123,077.59 is: 169,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,435.03 : 225,549.99 = 123,077.59 : x
  2. Step 2: Convert to fraction form
    163,435.03/225,549.99 = 123,077.59/x
  3. Step 3: Cross multiply
    163,435.03x = 225,549.99 × 123,077.59
  4. Step 4: Simplify right side
    163,435.03x = 27,760,149,193.72
  5. Step 5: Solve for x
    x = 27,760,149,193.72/163,435.03
  6. Step 6: Final answer
    x = 169,854.34

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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.