Home / 348,045.70-522,068.55-214,492.90

Finding the Fourth Proportional to 348,045.70, 522,068.55 and 214,492.90

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Solution

The fourth proportional to 348,045.70, 522,068.55 and 214,492.90 is: 321,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.70 : 522,068.55 = 214,492.90 : x
  2. Step 2: Convert to fraction form
    348,045.70/522,068.55 = 214,492.90/x
  3. Step 3: Cross multiply
    348,045.70x = 522,068.55 × 214,492.90
  4. Step 4: Simplify right side
    348,045.70x = 111,979,997,288.30
  5. Step 5: Solve for x
    x = 111,979,997,288.30/348,045.70
  6. Step 6: Final answer
    x = 321,739.35

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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.