Home / 319,399.10-479,430.94-235,254.27

Finding the Fourth Proportional to 319,399.10, 479,430.94 and 235,254.27

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Solution

The fourth proportional to 319,399.10, 479,430.94 and 235,254.27 is: 353,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,399.10 : 479,430.94 = 235,254.27 : x
  2. Step 2: Convert to fraction form
    319,399.10/479,430.94 = 235,254.27/x
  3. Step 3: Cross multiply
    319,399.10x = 479,430.94 × 235,254.27
  4. Step 4: Simplify right side
    319,399.10x = 112,788,175,805.11
  5. Step 5: Solve for x
    x = 112,788,175,805.11/319,399.10
  6. Step 6: Final answer
    x = 353,126.16

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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.