Home / 205,530.11-283,667.64-119,515.70

Finding the Fourth Proportional to 205,530.11, 283,667.64 and 119,515.70

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Solution

The fourth proportional to 205,530.11, 283,667.64 and 119,515.70 is: 164,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,530.11 : 283,667.64 = 119,515.70 : x
  2. Step 2: Convert to fraction form
    205,530.11/283,667.64 = 119,515.70/x
  3. Step 3: Cross multiply
    205,530.11x = 283,667.64 × 119,515.70
  4. Step 4: Simplify right side
    205,530.11x = 33,902,737,271.12
  5. Step 5: Solve for x
    x = 33,902,737,271.12/205,530.11
  6. Step 6: Final answer
    x = 164,952.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.