Home / 348,125.08-480,410.94-197,221.72

Finding the Fourth Proportional to 348,125.08, 480,410.94 and 197,221.72

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Solution

The fourth proportional to 348,125.08, 480,410.94 and 197,221.72 is: 272,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,125.08 : 480,410.94 = 197,221.72 : x
  2. Step 2: Convert to fraction form
    348,125.08/480,410.94 = 197,221.72/x
  3. Step 3: Cross multiply
    348,125.08x = 480,410.94 × 197,221.72
  4. Step 4: Simplify right side
    348,125.08x = 94,747,471,893.62
  5. Step 5: Solve for x
    x = 94,747,471,893.62/348,125.08
  6. Step 6: Final answer
    x = 272,165.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.