Home / 348,961.28-523,444.64-191,103.62

Finding the Fourth Proportional to 348,961.28, 523,444.64 and 191,103.62

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Solution

The fourth proportional to 348,961.28, 523,444.64 and 191,103.62 is: 286,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,961.28 : 523,444.64 = 191,103.62 : x
  2. Step 2: Convert to fraction form
    348,961.28/523,444.64 = 191,103.62/x
  3. Step 3: Cross multiply
    348,961.28x = 523,444.64 × 191,103.62
  4. Step 4: Simplify right side
    348,961.28x = 100,032,162,000.86
  5. Step 5: Solve for x
    x = 100,032,162,000.86/348,961.28
  6. Step 6: Final answer
    x = 286,656.91

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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.