Home / 385,104.78-577,176.03-185,371.74

Finding the Fourth Proportional to 385,104.78, 577,176.03 and 185,371.74

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Solution

The fourth proportional to 385,104.78, 577,176.03 and 185,371.74 is: 277,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,104.78 : 577,176.03 = 185,371.74 : x
  2. Step 2: Convert to fraction form
    385,104.78/577,176.03 = 185,371.74/x
  3. Step 3: Cross multiply
    385,104.78x = 577,176.03 × 185,371.74
  4. Step 4: Simplify right side
    385,104.78x = 106,992,124,967.39
  5. Step 5: Solve for x
    x = 106,992,124,967.39/385,104.78
  6. Step 6: Final answer
    x = 277,826.01

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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.