Home / 268,338.54-369,916.96-187,515.22

Finding the Fourth Proportional to 268,338.54, 369,916.96 and 187,515.22

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Solution

The fourth proportional to 268,338.54, 369,916.96 and 187,515.22 is: 258,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,338.54 : 369,916.96 = 187,515.22 : x
  2. Step 2: Convert to fraction form
    268,338.54/369,916.96 = 187,515.22/x
  3. Step 3: Cross multiply
    268,338.54x = 369,916.96 × 187,515.22
  4. Step 4: Simplify right side
    268,338.54x = 69,365,060,136.13
  5. Step 5: Solve for x
    x = 69,365,060,136.13/268,338.54
  6. Step 6: Final answer
    x = 258,498.31

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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.