Home / 298,835.53-412,381.00-162,866.55

Finding the Fourth Proportional to 298,835.53, 412,381.00 and 162,866.55

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Solution

The fourth proportional to 298,835.53, 412,381.00 and 162,866.55 is: 224,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,835.53 : 412,381.00 = 162,866.55 : x
  2. Step 2: Convert to fraction form
    298,835.53/412,381.00 = 162,866.55/x
  3. Step 3: Cross multiply
    298,835.53x = 412,381.00 × 162,866.55
  4. Step 4: Simplify right side
    298,835.53x = 67,163,069,727.86
  5. Step 5: Solve for x
    x = 67,163,069,727.86/298,835.53
  6. Step 6: Final answer
    x = 224,749.28

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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.