Home / 188,428.32-282,642.84-46,273.68

Finding the Fourth Proportional to 188,428.32, 282,642.84 and 46,273.68

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Solution

The fourth proportional to 188,428.32, 282,642.84 and 46,273.68 is: 69,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,428.32 : 282,642.84 = 46,273.68 : x
  2. Step 2: Convert to fraction form
    188,428.32/282,642.84 = 46,273.68/x
  3. Step 3: Cross multiply
    188,428.32x = 282,642.84 × 46,273.68
  4. Step 4: Simplify right side
    188,428.32x = 13,078,924,332.45
  5. Step 5: Solve for x
    x = 13,078,924,332.45/188,428.32
  6. Step 6: Final answer
    x = 69,410.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.