Home / 205,306.78-283,518.96-194,125.12

Finding the Fourth Proportional to 205,306.78, 283,518.96 and 194,125.12

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Solution

The fourth proportional to 205,306.78, 283,518.96 and 194,125.12 is: 268,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,306.78 : 283,518.96 = 194,125.12 : x
  2. Step 2: Convert to fraction form
    205,306.78/283,518.96 = 194,125.12/x
  3. Step 3: Cross multiply
    205,306.78x = 283,518.96 × 194,125.12
  4. Step 4: Simplify right side
    205,306.78x = 55,038,152,132.28
  5. Step 5: Solve for x
    x = 55,038,152,132.28/205,306.78
  6. Step 6: Final answer
    x = 268,077.62

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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.