Home / 338,877.18-507,985.26-161,336.52

Finding the Fourth Proportional to 338,877.18, 507,985.26 and 161,336.52

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Solution

The fourth proportional to 338,877.18, 507,985.26 and 161,336.52 is: 241,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,877.18 : 507,985.26 = 161,336.52 : x
  2. Step 2: Convert to fraction form
    338,877.18/507,985.26 = 161,336.52/x
  3. Step 3: Cross multiply
    338,877.18x = 507,985.26 × 161,336.52
  4. Step 4: Simplify right side
    338,877.18x = 81,956,574,059.70
  5. Step 5: Solve for x
    x = 81,956,574,059.70/338,877.18
  6. Step 6: Final answer
    x = 241,847.43

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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.