Home / 177,315.48-265,743.42-72,012.12

Finding the Fourth Proportional to 177,315.48, 265,743.42 and 72,012.12

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Solution

The fourth proportional to 177,315.48, 265,743.42 and 72,012.12 is: 107,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,315.48 : 265,743.42 = 72,012.12 : x
  2. Step 2: Convert to fraction form
    177,315.48/265,743.42 = 72,012.12/x
  3. Step 3: Cross multiply
    177,315.48x = 265,743.42 × 72,012.12
  4. Step 4: Simplify right side
    177,315.48x = 19,136,747,050.25
  5. Step 5: Solve for x
    x = 19,136,747,050.25/177,315.48
  6. Step 6: Final answer
    x = 107,924.85

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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.