Home / 215,116.33-323,955.08-187,371.50

Finding the Fourth Proportional to 215,116.33, 323,955.08 and 187,371.50

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Solution

The fourth proportional to 215,116.33, 323,955.08 and 187,371.50 is: 282,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,116.33 : 323,955.08 = 187,371.50 : x
  2. Step 2: Convert to fraction form
    215,116.33/323,955.08 = 187,371.50/x
  3. Step 3: Cross multiply
    215,116.33x = 323,955.08 × 187,371.50
  4. Step 4: Simplify right side
    215,116.33x = 60,699,950,942.07
  5. Step 5: Solve for x
    x = 60,699,950,942.07/215,116.33
  6. Step 6: Final answer
    x = 282,172.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.