Home / 128,738.06-193,149.01-62,185.83

Finding the Fourth Proportional to 128,738.06, 193,149.01 and 62,185.83

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Solution

The fourth proportional to 128,738.06, 193,149.01 and 62,185.83 is: 93,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,738.06 : 193,149.01 = 62,185.83 : x
  2. Step 2: Convert to fraction form
    128,738.06/193,149.01 = 62,185.83/x
  3. Step 3: Cross multiply
    128,738.06x = 193,149.01 × 62,185.83
  4. Step 4: Simplify right side
    128,738.06x = 12,011,130,504.16
  5. Step 5: Solve for x
    x = 12,011,130,504.16/128,738.06
  6. Step 6: Final answer
    x = 93,298.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.