Home / 102,161.84-153,195.44-56,538.86

Finding the Fourth Proportional to 102,161.84, 153,195.44 and 56,538.86

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Solution

The fourth proportional to 102,161.84, 153,195.44 and 56,538.86 is: 84,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,161.84 : 153,195.44 = 56,538.86 : x
  2. Step 2: Convert to fraction form
    102,161.84/153,195.44 = 56,538.86/x
  3. Step 3: Cross multiply
    102,161.84x = 153,195.44 × 56,538.86
  4. Step 4: Simplify right side
    102,161.84x = 8,661,494,486.13
  5. Step 5: Solve for x
    x = 8,661,494,486.13/102,161.84
  6. Step 6: Final answer
    x = 84,782.10

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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.