Home / 204,567.32-282,336.54-128,115.38

Finding the Fourth Proportional to 204,567.32, 282,336.54 and 128,115.38

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Solution

The fourth proportional to 204,567.32, 282,336.54 and 128,115.38 is: 176,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,567.32 : 282,336.54 = 128,115.38 : x
  2. Step 2: Convert to fraction form
    204,567.32/282,336.54 = 128,115.38/x
  3. Step 3: Cross multiply
    204,567.32x = 282,336.54 × 128,115.38
  4. Step 4: Simplify right side
    204,567.32x = 36,171,653,109.99
  5. Step 5: Solve for x
    x = 36,171,653,109.99/204,567.32
  6. Step 6: Final answer
    x = 176,820.29

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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.