Home / 204,559.40-282,295.14-115,135.40

Finding the Fourth Proportional to 204,559.40, 282,295.14 and 115,135.40

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Solution

The fourth proportional to 204,559.40, 282,295.14 and 115,135.40 is: 158,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,559.40 : 282,295.14 = 115,135.40 : x
  2. Step 2: Convert to fraction form
    204,559.40/282,295.14 = 115,135.40/x
  3. Step 3: Cross multiply
    204,559.40x = 282,295.14 × 115,135.40
  4. Step 4: Simplify right side
    204,559.40x = 32,502,163,861.96
  5. Step 5: Solve for x
    x = 32,502,163,861.96/204,559.40
  6. Step 6: Final answer
    x = 158,888.64

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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.