Home / 144,748.08-217,120.05-64,764.90

Finding the Fourth Proportional to 144,748.08, 217,120.05 and 64,764.90

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Solution

The fourth proportional to 144,748.08, 217,120.05 and 64,764.90 is: 97,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,748.08 : 217,120.05 = 64,764.90 : x
  2. Step 2: Convert to fraction form
    144,748.08/217,120.05 = 64,764.90/x
  3. Step 3: Cross multiply
    144,748.08x = 217,120.05 × 64,764.90
  4. Step 4: Simplify right side
    144,748.08x = 14,061,758,326.25
  5. Step 5: Solve for x
    x = 14,061,758,326.25/144,748.08
  6. Step 6: Final answer
    x = 97,146.42

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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.