Home / 208,421.30-287,626.75-127,893.33

Finding the Fourth Proportional to 208,421.30, 287,626.75 and 127,893.33

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Solution

The fourth proportional to 208,421.30, 287,626.75 and 127,893.33 is: 176,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,421.30 : 287,626.75 = 127,893.33 : x
  2. Step 2: Convert to fraction form
    208,421.30/287,626.75 = 127,893.33/x
  3. Step 3: Cross multiply
    208,421.30x = 287,626.75 × 127,893.33
  4. Step 4: Simplify right side
    208,421.30x = 36,785,542,534.84
  5. Step 5: Solve for x
    x = 36,785,542,534.84/208,421.30
  6. Step 6: Final answer
    x = 176,496.08

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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.