Home / 219,051.11-328,596.69-61,279.10

Finding the Fourth Proportional to 219,051.11, 328,596.69 and 61,279.10

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Solution

The fourth proportional to 219,051.11, 328,596.69 and 61,279.10 is: 91,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,051.11 : 328,596.69 = 61,279.10 : x
  2. Step 2: Convert to fraction form
    219,051.11/328,596.69 = 61,279.10/x
  3. Step 3: Cross multiply
    219,051.11x = 328,596.69 × 61,279.10
  4. Step 4: Simplify right side
    219,051.11x = 20,136,107,783.20
  5. Step 5: Solve for x
    x = 20,136,107,783.20/219,051.11
  6. Step 6: Final answer
    x = 91,924.25

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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.