Home / 204,488.40-282,187.08-115,047.12

Finding the Fourth Proportional to 204,488.40, 282,187.08 and 115,047.12

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Solution

The fourth proportional to 204,488.40, 282,187.08 and 115,047.12 is: 158,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,488.40 : 282,187.08 = 115,047.12 : x
  2. Step 2: Convert to fraction form
    204,488.40/282,187.08 = 115,047.12/x
  3. Step 3: Cross multiply
    204,488.40x = 282,187.08 × 115,047.12
  4. Step 4: Simplify right side
    204,488.40x = 32,464,810,855.21
  5. Step 5: Solve for x
    x = 32,464,810,855.21/204,488.40
  6. Step 6: Final answer
    x = 158,761.14

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1.5x scale

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.