Home / 134,524.83-201,682.59-87,039.60

Finding the Fourth Proportional to 134,524.83, 201,682.59 and 87,039.60

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Solution

The fourth proportional to 134,524.83, 201,682.59 and 87,039.60 is: 130,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,524.83 : 201,682.59 = 87,039.60 : x
  2. Step 2: Convert to fraction form
    134,524.83/201,682.59 = 87,039.60/x
  3. Step 3: Cross multiply
    134,524.83x = 201,682.59 × 87,039.60
  4. Step 4: Simplify right side
    134,524.83x = 17,554,371,960.56
  5. Step 5: Solve for x
    x = 17,554,371,960.56/134,524.83
  6. Step 6: Final answer
    x = 130,491.69

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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.