Home / 219,394.22-328,953.09-186,125.90

Finding the Fourth Proportional to 219,394.22, 328,953.09 and 186,125.90

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Solution

The fourth proportional to 219,394.22, 328,953.09 and 186,125.90 is: 279,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,394.22 : 328,953.09 = 186,125.90 : x
  2. Step 2: Convert to fraction form
    219,394.22/328,953.09 = 186,125.90/x
  3. Step 3: Cross multiply
    219,394.22x = 328,953.09 × 186,125.90
  4. Step 4: Simplify right side
    219,394.22x = 61,226,689,934.03
  5. Step 5: Solve for x
    x = 61,226,689,934.03/219,394.22
  6. Step 6: Final answer
    x = 279,071.57

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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.