Home / 163,471.10-245,213.45-51,153.49

Finding the Fourth Proportional to 163,471.10, 245,213.45 and 51,153.49

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Solution

The fourth proportional to 163,471.10, 245,213.45 and 51,153.49 is: 76,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,471.10 : 245,213.45 = 51,153.49 : x
  2. Step 2: Convert to fraction form
    163,471.10/245,213.45 = 51,153.49/x
  3. Step 3: Cross multiply
    163,471.10x = 245,213.45 × 51,153.49
  4. Step 4: Simplify right side
    163,471.10x = 12,543,522,280.61
  5. Step 5: Solve for x
    x = 12,543,522,280.61/163,471.10
  6. Step 6: Final answer
    x = 76,732.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.