Home / 383,122.02-528,701.94-211,056.10

Finding the Fourth Proportional to 383,122.02, 528,701.94 and 211,056.10

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Solution

The fourth proportional to 383,122.02, 528,701.94 and 211,056.10 is: 291,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,122.02 : 528,701.94 = 211,056.10 : x
  2. Step 2: Convert to fraction form
    383,122.02/528,701.94 = 211,056.10/x
  3. Step 3: Cross multiply
    383,122.02x = 528,701.94 × 211,056.10
  4. Step 4: Simplify right side
    383,122.02x = 111,585,769,518.83
  5. Step 5: Solve for x
    x = 111,585,769,518.83/383,122.02
  6. Step 6: Final answer
    x = 291,253.87

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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.