Home / 207,356.09-311,056.34-57,596.81

Finding the Fourth Proportional to 207,356.09, 311,056.34 and 57,596.81

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Solution

The fourth proportional to 207,356.09, 311,056.34 and 57,596.81 is: 86,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,356.09 : 311,056.34 = 57,596.81 : x
  2. Step 2: Convert to fraction form
    207,356.09/311,056.34 = 57,596.81/x
  3. Step 3: Cross multiply
    207,356.09x = 311,056.34 × 57,596.81
  4. Step 4: Simplify right side
    207,356.09x = 17,915,851,071.01
  5. Step 5: Solve for x
    x = 17,915,851,071.01/207,356.09
  6. Step 6: Final answer
    x = 86,401.38

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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.