Home / 143,670.72-215,579.90-63,763.44

Finding the Fourth Proportional to 143,670.72, 215,579.90 and 63,763.44

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Solution

The fourth proportional to 143,670.72, 215,579.90 and 63,763.44 is: 95,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,670.72 : 215,579.90 = 63,763.44 : x
  2. Step 2: Convert to fraction form
    143,670.72/215,579.90 = 63,763.44/x
  3. Step 3: Cross multiply
    143,670.72x = 215,579.90 × 63,763.44
  4. Step 4: Simplify right side
    143,670.72x = 13,746,116,018.86
  5. Step 5: Solve for x
    x = 13,746,116,018.86/143,670.72
  6. Step 6: Final answer
    x = 95,677.92

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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.