Home / 177,021.90-244,303.86-100,554.66

Finding the Fourth Proportional to 177,021.90, 244,303.86 and 100,554.66

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Solution

The fourth proportional to 177,021.90, 244,303.86 and 100,554.66 is: 138,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,021.90 : 244,303.86 = 100,554.66 : x
  2. Step 2: Convert to fraction form
    177,021.90/244,303.86 = 100,554.66/x
  3. Step 3: Cross multiply
    177,021.90x = 244,303.86 × 100,554.66
  4. Step 4: Simplify right side
    177,021.90x = 24,565,891,578.99
  5. Step 5: Solve for x
    x = 24,565,891,578.99/177,021.90
  6. Step 6: Final answer
    x = 138,773.18

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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.