Home / 341,905.08-512,915.94-152,434.20

Finding the Fourth Proportional to 341,905.08, 512,915.94 and 152,434.20

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Solution

The fourth proportional to 341,905.08, 512,915.94 and 152,434.20 is: 228,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,905.08 : 512,915.94 = 152,434.20 : x
  2. Step 2: Convert to fraction form
    341,905.08/512,915.94 = 152,434.20/x
  3. Step 3: Cross multiply
    341,905.08x = 512,915.94 × 152,434.20
  4. Step 4: Simplify right side
    341,905.08x = 78,185,930,981.15
  5. Step 5: Solve for x
    x = 78,185,930,981.15/341,905.08
  6. Step 6: Final answer
    x = 228,677.30

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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.