Home / 314,353.25-471,530.04-103,991.19

Finding the Fourth Proportional to 314,353.25, 471,530.04 and 103,991.19

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Solution

The fourth proportional to 314,353.25, 471,530.04 and 103,991.19 is: 155,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,353.25 : 471,530.04 = 103,991.19 : x
  2. Step 2: Convert to fraction form
    314,353.25/471,530.04 = 103,991.19/x
  3. Step 3: Cross multiply
    314,353.25x = 471,530.04 × 103,991.19
  4. Step 4: Simplify right side
    314,353.25x = 49,034,969,590.38
  5. Step 5: Solve for x
    x = 49,034,969,590.38/314,353.25
  6. Step 6: Final answer
    x = 155,986.84

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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.