Home / 200,758.16-277,166.40-125,408.72

Finding the Fourth Proportional to 200,758.16, 277,166.40 and 125,408.72

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Solution

The fourth proportional to 200,758.16, 277,166.40 and 125,408.72 is: 173,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,758.16 : 277,166.40 = 125,408.72 : x
  2. Step 2: Convert to fraction form
    200,758.16/277,166.40 = 125,408.72/x
  3. Step 3: Cross multiply
    200,758.16x = 277,166.40 × 125,408.72
  4. Step 4: Simplify right side
    200,758.16x = 34,759,083,451.01
  5. Step 5: Solve for x
    x = 34,759,083,451.01/200,758.16
  6. Step 6: Final answer
    x = 173,139.08

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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.