Home / 356,000.55-491,280.93-194,856.45

Finding the Fourth Proportional to 356,000.55, 491,280.93 and 194,856.45

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Solution

The fourth proportional to 356,000.55, 491,280.93 and 194,856.45 is: 268,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,000.55 : 491,280.93 = 194,856.45 : x
  2. Step 2: Convert to fraction form
    356,000.55/491,280.93 = 194,856.45/x
  3. Step 3: Cross multiply
    356,000.55x = 491,280.93 × 194,856.45
  4. Step 4: Simplify right side
    356,000.55x = 95,729,257,972.50
  5. Step 5: Solve for x
    x = 95,729,257,972.50/356,000.55
  6. Step 6: Final answer
    x = 268,901.99

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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.