Home / 219,827.04-329,518.92-86,655.72

Finding the Fourth Proportional to 219,827.04, 329,518.92 and 86,655.72

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Solution

The fourth proportional to 219,827.04, 329,518.92 and 86,655.72 is: 129,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,827.04 : 329,518.92 = 86,655.72 : x
  2. Step 2: Convert to fraction form
    219,827.04/329,518.92 = 86,655.72/x
  3. Step 3: Cross multiply
    219,827.04x = 329,518.92 × 86,655.72
  4. Step 4: Simplify right side
    219,827.04x = 28,554,699,266.22
  5. Step 5: Solve for x
    x = 28,554,699,266.22/219,827.04
  6. Step 6: Final answer
    x = 129,896.21

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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.