Home / 268,330.03-369,905.25-187,506.71

Finding the Fourth Proportional to 268,330.03, 369,905.25 and 187,506.71

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Solution

The fourth proportional to 268,330.03, 369,905.25 and 187,506.71 is: 258,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,330.03 : 369,905.25 = 187,506.71 : x
  2. Step 2: Convert to fraction form
    268,330.03/369,905.25 = 187,506.71/x
  3. Step 3: Cross multiply
    268,330.03x = 369,905.25 × 187,506.71
  4. Step 4: Simplify right side
    268,330.03x = 69,359,714,589.70
  5. Step 5: Solve for x
    x = 69,359,714,589.70/268,330.03
  6. Step 6: Final answer
    x = 258,486.59

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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.