Home / 136,107.38-187,827.18-75,677.54

Finding the Fourth Proportional to 136,107.38, 187,827.18 and 75,677.54

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Solution

The fourth proportional to 136,107.38, 187,827.18 and 75,677.54 is: 104,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,107.38 : 187,827.18 = 75,677.54 : x
  2. Step 2: Convert to fraction form
    136,107.38/187,827.18 = 75,677.54/x
  3. Step 3: Cross multiply
    136,107.38x = 187,827.18 × 75,677.54
  4. Step 4: Simplify right side
    136,107.38x = 14,214,298,927.54
  5. Step 5: Solve for x
    x = 14,214,298,927.54/136,107.38
  6. Step 6: Final answer
    x = 104,434.45

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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.