Home / 136,098.58-187,820.38-75,671.77

Finding the Fourth Proportional to 136,098.58, 187,820.38 and 75,671.77

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Solution

The fourth proportional to 136,098.58, 187,820.38 and 75,671.77 is: 104,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,098.58 : 187,820.38 = 75,671.77 : x
  2. Step 2: Convert to fraction form
    136,098.58/187,820.38 = 75,671.77/x
  3. Step 3: Cross multiply
    136,098.58x = 187,820.38 × 75,671.77
  4. Step 4: Simplify right side
    136,098.58x = 14,212,700,596.67
  5. Step 5: Solve for x
    x = 14,212,700,596.67/136,098.58
  6. Step 6: Final answer
    x = 104,429.46

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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.