Home / 209,502.02-314,282.56-67,299.60

Finding the Fourth Proportional to 209,502.02, 314,282.56 and 67,299.60

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Solution

The fourth proportional to 209,502.02, 314,282.56 and 67,299.60 is: 100,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,502.02 : 314,282.56 = 67,299.60 : x
  2. Step 2: Convert to fraction form
    209,502.02/314,282.56 = 67,299.60/x
  3. Step 3: Cross multiply
    209,502.02x = 314,282.56 × 67,299.60
  4. Step 4: Simplify right side
    209,502.02x = 21,151,090,574.98
  5. Step 5: Solve for x
    x = 21,151,090,574.98/209,502.02
  6. Step 6: Final answer
    x = 100,958.89

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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.