Home / 136,095.34-187,814.62-74,837.65

Finding the Fourth Proportional to 136,095.34, 187,814.62 and 74,837.65

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Solution

The fourth proportional to 136,095.34, 187,814.62 and 74,837.65 is: 103,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,095.34 : 187,814.62 = 74,837.65 : x
  2. Step 2: Convert to fraction form
    136,095.34/187,814.62 = 74,837.65/x
  3. Step 3: Cross multiply
    136,095.34x = 187,814.62 × 74,837.65
  4. Step 4: Simplify right side
    136,095.34x = 14,055,603,483.18
  5. Step 5: Solve for x
    x = 14,055,603,483.18/136,095.34
  6. Step 6: Final answer
    x = 103,277.63

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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.