Home / 219,681.11-329,521.67-79,406.93

Finding the Fourth Proportional to 219,681.11, 329,521.67 and 79,406.93

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Solution

The fourth proportional to 219,681.11, 329,521.67 and 79,406.93 is: 119,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,681.11 : 329,521.67 = 79,406.93 : x
  2. Step 2: Convert to fraction form
    219,681.11/329,521.67 = 79,406.93/x
  3. Step 3: Cross multiply
    219,681.11x = 329,521.67 × 79,406.93
  4. Step 4: Simplify right side
    219,681.11x = 26,166,304,907.72
  5. Step 5: Solve for x
    x = 26,166,304,907.72/219,681.11
  6. Step 6: Final answer
    x = 119,110.40

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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.