Home / 136,093.24-187,814.90-75,670.07

Finding the Fourth Proportional to 136,093.24, 187,814.90 and 75,670.07

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Solution

The fourth proportional to 136,093.24, 187,814.90 and 75,670.07 is: 104,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,093.24 : 187,814.90 = 75,670.07 : x
  2. Step 2: Convert to fraction form
    136,093.24/187,814.90 = 75,670.07/x
  3. Step 3: Cross multiply
    136,093.24x = 187,814.90 × 75,670.07
  4. Step 4: Simplify right side
    136,093.24x = 14,211,966,251.69
  5. Step 5: Solve for x
    x = 14,211,966,251.69/136,093.24
  6. Step 6: Final answer
    x = 104,428.16

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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.