Home / 211,394.30-291,683.05-125,337.38

Finding the Fourth Proportional to 211,394.30, 291,683.05 and 125,337.38

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Solution

The fourth proportional to 211,394.30, 291,683.05 and 125,337.38 is: 172,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,394.30 : 291,683.05 = 125,337.38 : x
  2. Step 2: Convert to fraction form
    211,394.30/291,683.05 = 125,337.38/x
  3. Step 3: Cross multiply
    211,394.30x = 291,683.05 × 125,337.38
  4. Step 4: Simplify right side
    211,394.30x = 36,558,787,505.65
  5. Step 5: Solve for x
    x = 36,558,787,505.65/211,394.30
  6. Step 6: Final answer
    x = 172,941.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.