Home / 213,307.25-320,030.04-63,548.82

Finding the Fourth Proportional to 213,307.25, 320,030.04 and 63,548.82

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Solution

The fourth proportional to 213,307.25, 320,030.04 and 63,548.82 is: 95,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,307.25 : 320,030.04 = 63,548.82 : x
  2. Step 2: Convert to fraction form
    213,307.25/320,030.04 = 63,548.82/x
  3. Step 3: Cross multiply
    213,307.25x = 320,030.04 × 63,548.82
  4. Step 4: Simplify right side
    213,307.25x = 20,337,531,406.55
  5. Step 5: Solve for x
    x = 20,337,531,406.55/213,307.25
  6. Step 6: Final answer
    x = 95,343.84

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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.