Home / 488,186.46-731,717.55-188,535.06

Finding the Fourth Proportional to 488,186.46, 731,717.55 and 188,535.06

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Solution

The fourth proportional to 488,186.46, 731,717.55 and 188,535.06 is: 282,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,186.46 : 731,717.55 = 188,535.06 : x
  2. Step 2: Convert to fraction form
    488,186.46/731,717.55 = 188,535.06/x
  3. Step 3: Cross multiply
    488,186.46x = 731,717.55 × 188,535.06
  4. Step 4: Simplify right side
    488,186.46x = 137,954,412,192.30
  5. Step 5: Solve for x
    x = 137,954,412,192.30/488,186.46
  6. Step 6: Final answer
    x = 282,585.49

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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.