Home / 385,108.27-577,312.48-174,631.39

Finding the Fourth Proportional to 385,108.27, 577,312.48 and 174,631.39

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Solution

The fourth proportional to 385,108.27, 577,312.48 and 174,631.39 is: 261,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,108.27 : 577,312.48 = 174,631.39 : x
  2. Step 2: Convert to fraction form
    385,108.27/577,312.48 = 174,631.39/x
  3. Step 3: Cross multiply
    385,108.27x = 577,312.48 × 174,631.39
  4. Step 4: Simplify right side
    385,108.27x = 100,816,880,846.75
  5. Step 5: Solve for x
    x = 100,816,880,846.75/385,108.27
  6. Step 6: Final answer
    x = 261,788.41

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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.