Home / 207,544.18-311,316.49-57,784.79

Finding the Fourth Proportional to 207,544.18, 311,316.49 and 57,784.79

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Solution

The fourth proportional to 207,544.18, 311,316.49 and 57,784.79 is: 86,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,544.18 : 311,316.49 = 57,784.79 : x
  2. Step 2: Convert to fraction form
    207,544.18/311,316.49 = 57,784.79/x
  3. Step 3: Cross multiply
    207,544.18x = 311,316.49 × 57,784.79
  4. Step 4: Simplify right side
    207,544.18x = 17,989,357,998.19
  5. Step 5: Solve for x
    x = 17,989,357,998.19/207,544.18
  6. Step 6: Final answer
    x = 86,677.25

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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.