Home / 204,405.72-282,056.40-118,366.35

Finding the Fourth Proportional to 204,405.72, 282,056.40 and 118,366.35

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Solution

The fourth proportional to 204,405.72, 282,056.40 and 118,366.35 is: 163,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,405.72 : 282,056.40 = 118,366.35 : x
  2. Step 2: Convert to fraction form
    204,405.72/282,056.40 = 118,366.35/x
  3. Step 3: Cross multiply
    204,405.72x = 282,056.40 × 118,366.35
  4. Step 4: Simplify right side
    204,405.72x = 33,385,986,562.14
  5. Step 5: Solve for x
    x = 33,385,986,562.14/204,405.72
  6. Step 6: Final answer
    x = 163,331.96

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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.