Home / 219,010.61-302,231.58-123,548.06

Finding the Fourth Proportional to 219,010.61, 302,231.58 and 123,548.06

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Solution

The fourth proportional to 219,010.61, 302,231.58 and 123,548.06 is: 170,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,010.61 : 302,231.58 = 123,548.06 : x
  2. Step 2: Convert to fraction form
    219,010.61/302,231.58 = 123,548.06/x
  3. Step 3: Cross multiply
    219,010.61x = 302,231.58 × 123,548.06
  4. Step 4: Simplify right side
    219,010.61x = 37,340,125,379.73
  5. Step 5: Solve for x
    x = 37,340,125,379.73/219,010.61
  6. Step 6: Final answer
    x = 170,494.60

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1.5x scale

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.